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Home Return to list Small Craft Advisory 0087 Issued by the Boston Forecast Office
Action: New Issued At: 2026-09-20 02:59:57 109 WHUS71 KBOX 200759 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 359 AM EDT Sun Sep 20 2026 ANZ254>256-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ 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- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, 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. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-09-20 02:59:57 109 WHUS71 KBOX 200759 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 359 AM EDT Sun Sep 20 2026 ANZ254>256-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM and Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-09-20 02:59:57 109 WHUS71 KBOX 200759 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 359 AM EDT Sun Sep 20 2026 ANZ254>256-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ 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- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, 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. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-09-20 12:57:26 334 WHUS71 KBOX 201757 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 157 PM EDT Sun Sep 20 2026 ANZ255-256-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210700- /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 157 PM EDT Sun Sep 20 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 12:57:26 334 WHUS71 KBOX 201757 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 157 PM EDT Sun Sep 20 2026 ANZ255-256-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210700- /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 157 PM EDT Sun Sep 20 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 12:57:26 334 WHUS71 KBOX 201757 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 157 PM EDT Sun Sep 20 2026 ANZ255-256-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210700- /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 157 PM EDT Sun Sep 20 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Time Extended Issued At: 2026-09-20 12:57:26 334 WHUS71 KBOX 201757 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 157 PM EDT Sun Sep 20 2026 ANZ255-256-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210700- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210700- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 157 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210700- /O.NEW.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 157 PM EDT Sun Sep 20 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 13:30:27 448 WHUS71 KBOX 201830 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 230 PM EDT Sun Sep 20 2026 ANZ231-210730- /O.EXA.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Cape Cod Bay- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 3 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210730- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 230 PM EDT Sun Sep 20 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 13:30:27 448 WHUS71 KBOX 201830 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 230 PM EDT Sun Sep 20 2026 ANZ231-210730- /O.EXA.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Cape Cod Bay- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 3 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210730- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 230 PM EDT Sun Sep 20 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 13:30:27 448 WHUS71 KBOX 201830 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 230 PM EDT Sun Sep 20 2026 ANZ231-210730- /O.EXA.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Cape Cod Bay- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 3 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210730- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 230 PM EDT Sun Sep 20 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-20 13:30:27 448 WHUS71 KBOX 201830 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 230 PM EDT Sun Sep 20 2026 ANZ231-210730- /O.EXA.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Cape Cod Bay- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 3 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210730- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 230 PM EDT Sun Sep 20 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Area Extended Issued At: 2026-09-20 13:30:27 448 WHUS71 KBOX 201830 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 230 PM EDT Sun Sep 20 2026 ANZ231-210730- /O.EXA.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Cape Cod Bay- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 3 feet expected. * WHERE...Cape Cod Bay. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Watch, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM Monday to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM MONDAY TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM Monday to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-210730- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 230 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-210730- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 230 PM EDT Sun Sep 20 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 11 to 16 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 02:09:47 564 WHUS71 KBOX 210709 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 309 AM EDT Mon Sep 21 2026 ANZ235-237-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ /O.EXA.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt and seas around 3 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ233-234-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas around 4 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM this morning to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM this morning to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-212100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 309 AM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Time Extended Issued At: 2026-09-21 02:09:47 564 WHUS71 KBOX 210709 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 309 AM EDT Mon Sep 21 2026 ANZ235-237-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ /O.EXA.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt and seas around 3 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ233-234-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas around 4 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM this morning to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM this morning to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-212100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 309 AM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Time Extended Issued At: 2026-09-21 02:09:47 564 WHUS71 KBOX 210709 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 309 AM EDT Mon Sep 21 2026 ANZ235-237-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ /O.EXA.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt and seas around 3 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ233-234-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas around 4 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM this morning to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM this morning to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-212100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 309 AM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 02:09:47 564 WHUS71 KBOX 210709 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 309 AM EDT Mon Sep 21 2026 ANZ235-237-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ /O.EXA.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt and seas around 3 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ233-234-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas around 4 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM this morning to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM this morning to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-212100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 309 AM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Time Extended Issued At: 2026-09-21 02:09:47 564 WHUS71 KBOX 210709 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 309 AM EDT Mon Sep 21 2026 ANZ235-237-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ /O.EXA.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt and seas around 3 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ233-234-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas around 4 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.EXT.KBOX.SC.Y.0087.260921T1200Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ 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- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet 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 Small Craft Advisory, from 8 AM this morning to 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-212100- /O.CON.KBOX.SC.Y.0087.260921T1200Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 309 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 8 AM this morning to 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-212100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 309 AM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 13:47:55 655 WHUS71 KBOX 211847 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 247 PM EDT Mon Sep 21 2026 ANZ255-256-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, until 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ235-237-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-220700- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt and seas 3 to 5 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-221100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 247 PM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 13:47:55 655 WHUS71 KBOX 211847 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 247 PM EDT Mon Sep 21 2026 ANZ255-256-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, until 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ235-237-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-220700- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt and seas 3 to 5 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-221100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 247 PM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 13:47:55 655 WHUS71 KBOX 211847 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 247 PM EDT Mon Sep 21 2026 ANZ255-256-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, until 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ235-237-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-220700- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt and seas 3 to 5 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-221100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 247 PM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 13:47:55 655 WHUS71 KBOX 211847 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 247 PM EDT Mon Sep 21 2026 ANZ255-256-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, until 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ235-237-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-220700- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt and seas 3 to 5 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-221100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 247 PM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-21 13:47:55 655 WHUS71 KBOX 211847 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 247 PM EDT Mon Sep 21 2026 ANZ255-256-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 8 to 13 feet possible. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the Small Craft Advisory, until 3 AM EDT Tuesday. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ235-237-221100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Rhode Island Sound-Block Island Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northeast winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Watch, from Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-220700- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY... * WHAT...Northeast winds 10 to 20 kt and seas 3 to 5 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 3 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Vineyard Sound-Buzzards Bay- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-212100- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260921T2100Z/ Cape Cod Bay-Nantucket Sound- 247 PM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ282-283-221100- /O.CON.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 247 PM EDT Mon Sep 21 2026 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet possible. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From Tuesday afternoon through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ Action: Continued Issued At: 2026-09-22 00:58:37 244 WHUS71 KBOX 220558 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 158 AM EDT Tue Sep 22 2026 ANZ255-256-221900- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0600Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0600Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the first Small Craft Advisory, northeast winds around 20 kt and seas 3 to 5 feet. For the second Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 12 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the first Small Craft Advisory, until 3 AM EDT early this morning. For the second Small Craft Advisory, from 8 AM this morning to 2 AM EDT Wednesday. For the Gale Warning, from 2 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-221900- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.NEW.KBOX.SC.Y.0088.260923T0000Z-260924T0000Z/ /O.NEW.KBOX.GL.W.0021.260924T0000Z-260925T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the first Small Craft Advisory, northeast winds around 15 kt and seas 3 to 5 feet. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet expected. For the Gale Warning, northeast winds 25 to 35 kt and seas 7 to 11 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...For the first Small Craft Advisory, until 3 AM EDT early this morning. For the second Small Craft Advisory, from 8 PM this evening to 8 PM EDT Wednesday. For the Gale Warning, from 8 PM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ282-283-221900- /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0600Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0600Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 2 AM EDT Wednesday. For the Gale Warning, from 2 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-221900- /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0900Z/ Rhode Island Sound-Block Island Sound- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 AM EDT Wednesday. For the Gale Warning, from 5 AM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ232>234-221900- /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0900Z/ /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 4 to 6 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 AM EDT Wednesday. For the Gale Warning, from 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-221900- /O.NEW.KBOX.SC.Y.0088.260923T0000Z-260924T0000Z/ /O.NEW.KBOX.GL.W.0021.260924T0000Z-260925T0000Z/ Cape Cod Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 8 PM EDT Wednesday. For the Gale Warning, from 8 PM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ281-221900- /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 158 AM EDT Tue Sep 22 2026 ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 9 to 14 feet expected. * WHERE...Ocean Waters from Provincetown to Nantucket from 20 to 60 NM. * WHEN...From 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-221900- /O.NEW.KBOX.SC.Y.0088.260923T0900Z-260925T0000Z/ Narragansett Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 3 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-22 00:58:37 244 WHUS71 KBOX 220558 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 158 AM EDT Tue Sep 22 2026 ANZ255-256-221900- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0600Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0600Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the first Small Craft Advisory, northeast winds around 20 kt and seas 3 to 5 feet. For the second Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 12 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...For the first Small Craft Advisory, until 3 AM EDT early this morning. For the second Small Craft Advisory, from 8 AM this morning to 2 AM EDT Wednesday. For the Gale Warning, from 2 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-221900- /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ /O.NEW.KBOX.SC.Y.0088.260923T0000Z-260924T0000Z/ /O.NEW.KBOX.GL.W.0021.260924T0000Z-260925T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the first Small Craft Advisory, northeast winds around 15 kt and seas 3 to 5 feet. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet expected. For the Gale Warning, northeast winds 25 to 35 kt and seas 7 to 11 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...For the first Small Craft Advisory, until 3 AM EDT early this morning. For the second Small Craft Advisory, from 8 PM this evening to 8 PM EDT Wednesday. For the Gale Warning, from 8 PM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ282-283-221900- /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0600Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0600Z/ Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 15 feet expected. * WHERE...Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 2 AM EDT Wednesday. For the Gale Warning, from 2 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-221900- /O.UPG.KBOX.GL.A.0017.260922T1800Z-260924T1700Z/ /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0900Z/ Rhode Island Sound-Block Island Sound- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 AM EDT Wednesday. For the Gale Warning, from 5 AM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ232>234-221900- /O.NEW.KBOX.SC.Y.0088.260922T1200Z-260923T0900Z/ /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 AM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 40 kt and seas 4 to 6 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 5 AM EDT Wednesday. For the Gale Warning, from 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-221900- /O.NEW.KBOX.SC.Y.0088.260923T0000Z-260924T0000Z/ /O.NEW.KBOX.GL.W.0021.260924T0000Z-260925T0000Z/ Cape Cod Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. For the Gale Warning, northeast winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 8 PM EDT Wednesday. For the Gale Warning, from 8 PM Wednesday to 8 PM EDT Thursday. * 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. && $$ ANZ281-221900- /O.NEW.KBOX.GL.W.0021.260923T0900Z-260925T0000Z/ Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 158 AM EDT Tue Sep 22 2026 ...GALE WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and seas 9 to 14 feet expected. * WHERE...Ocean Waters from Provincetown to Nantucket from 20 to 60 NM. * WHEN...From 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-221900- /O.NEW.KBOX.SC.Y.0088.260923T0900Z-260925T0000Z/ Narragansett Bay- 158 AM EDT Tue Sep 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 8 PM EDT THURSDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 3 feet expected. * WHERE...Narragansett Bay. * WHEN...From 5 AM Wednesday to 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||