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Home Return to list Gale Watch 0027 Issued by the Boston Forecast Office
Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-17 16:39:54 974 WHUS71 KBOX 172239 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 539 PM EST Wed Dec 17 2025 ANZ250-254-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts 40-50 kt and seas 6 to 11 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Cape Cod Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds around 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. For the Gale Watch, southwest winds 25 to 30 kt with gusts up to 45 kt and seas 4 to 7 feet possible. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.NEW.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 30 kt and seas 6 to 9 feet. For the Gale Watch, southwest winds 30 to 40 kt with gusts up to 45 kt and seas 11 to 16 feet possible. Isolated gusts up to 50 kts possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 20 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts up to 30 kt and seas 5 to 7 feet. For the Gale Watch, southwest winds 25 to 35 kt with gusts up to 45 kt and seas 7 to 12 feet possible. Isolated gusts to 50 kts possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through Saturday morning. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ Boston Harbor- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from Friday morning through Saturday morning. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-181145- /O.CON.KBOX.GL.W.0044.000000T0000Z-251218T0000Z/ /O.NEW.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ Narragansett Bay- 539 PM EST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT... * WHAT...For the Gale Warning, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet. For the Gale Watch, southwest winds 20 to 30 kt with gusts up to 45 kt and waves 4 to 7 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Gale Watch, from late Thursday night through late Friday night. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Action: Upgraded Issued At: 2025-12-17 23:28:04 614 WHUS71 KBOX 180527 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1227 AM EST Thu Dec 18 2025 ANZ256-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 30 to 40 kt with gusts up to 50 kt and seas 6 to 11 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-182100- /O.CAN.KBOX.GL.W.0044.000000T0000Z-251218T0600Z/ /O.UPG.KBOX.GL.A.0027.251219T0600Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... ...GALE WARNING IS CANCELLED... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-182100- /O.UPG.KBOX.GL.A.0027.251219T0900Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T0800Z-251220T1200Z/ Rhode Island Sound-Block Island Sound- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 3 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 8 to 13 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 3 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T0600Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T0600Z/ Narragansett Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and waves 4 to 7 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Massachusetts Bay and Ipswich Bay- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 45 kt and seas 4 to 7 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182100- /O.UPG.KBOX.GL.A.0027.251219T1200Z-251220T1200Z/ /O.NEW.KBOX.GL.W.0045.251219T1000Z-251220T1200Z/ Boston Harbor- 1227 AM EST Thu Dec 18 2025 ...GALE WARNING IN EFFECT FROM 5 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 5 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ232>234-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-182100- /O.UPG.KBOX.GL.A.0027.251219T1000Z-251220T1200Z/ /O.NEW.KBOX.SR.W.0005.251219T1400Z-251219T2000Z/ Cape Cod Bay- 1227 AM EST Thu Dec 18 2025 ...STORM WARNING IN EFFECT FROM 9 AM TO 3 PM EST FRIDAY... * WHAT...South winds 30 to 35 kt with gusts up to 55 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||