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Home Return to list Gale Warning 0019 Issued by the Boston Forecast Office
Action: New Issued At: 2026-06-18 01:22:40 986 WHUS71 KBOX 180622 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 222 AM EDT Thu Jun 18 2026 ANZ250-280-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ 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- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 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...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-182015- /O.CON.KBOX.SC.Y.0067.260618T1800Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 2 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-06-18 01:22:40 986 WHUS71 KBOX 180622 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 222 AM EDT Thu Jun 18 2026 ANZ250-280-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ 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- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 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...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-182015- /O.CON.KBOX.SC.Y.0067.260618T1800Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 2 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-06-18 01:22:40 986 WHUS71 KBOX 180622 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 222 AM EDT Thu Jun 18 2026 ANZ250-280-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ 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- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 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...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-182015- /O.CON.KBOX.SC.Y.0067.260618T1800Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 2 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-06-18 01:22:40 986 WHUS71 KBOX 180622 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 222 AM EDT Thu Jun 18 2026 ANZ250-280-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182015- /O.UPG.KBOX.GL.A.0014.260618T1500Z-260619T0200Z/ /O.NEW.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 222 AM EDT Thu Jun 18 2026 ...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ 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- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 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...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-182015- /O.CON.KBOX.SC.Y.0067.260618T1800Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 2 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182015- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 222 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 02:41:57 670 WHUS71 KBOX 180741 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 341 AM EDT Thu Jun 18 2026 ANZ250-280-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182045- /O.CON.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-182045- /O.EXT.KBOX.SC.Y.0067.260618T1700Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 1 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 02:41:57 670 WHUS71 KBOX 180741 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 341 AM EDT Thu Jun 18 2026 ANZ250-280-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182045- /O.CON.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-182045- /O.EXT.KBOX.SC.Y.0067.260618T1700Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 1 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 02:41:57 670 WHUS71 KBOX 180741 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 341 AM EDT Thu Jun 18 2026 ANZ250-280-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182045- /O.CON.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-182045- /O.EXT.KBOX.SC.Y.0067.260618T1700Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 1 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 02:41:57 670 WHUS71 KBOX 180741 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 341 AM EDT Thu Jun 18 2026 ANZ250-280-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-182045- /O.CON.KBOX.GL.W.0019.260618T1500Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182045- /O.CON.KBOX.GL.W.0019.260618T1700Z-260618T2300Z/ Boston Harbor- 341 AM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 1 PM this afternoon to 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-182045- /O.EXT.KBOX.SC.Y.0067.260618T1700Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 1 PM this afternoon to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with a few gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 11 AM this morning to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182045- /O.CON.KBOX.SC.Y.0067.260618T1500Z-260618T2300Z/ Narragansett Bay- 341 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 14:16:27 666 WHUS71 KBOX 181916 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 316 PM EDT Thu Jun 18 2026 ANZ250-280-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Boston Harbor- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ 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- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet. * 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...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182300- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260618T2300Z/ Narragansett Bay- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 14:16:27 666 WHUS71 KBOX 181916 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 316 PM EDT Thu Jun 18 2026 ANZ250-280-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Boston Harbor- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ 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- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet. * 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...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182300- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260618T2300Z/ Narragansett Bay- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 14:16:27 666 WHUS71 KBOX 181916 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 316 PM EDT Thu Jun 18 2026 ANZ250-280-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Boston Harbor- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ 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- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet. * 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...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182300- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260618T2300Z/ Narragansett Bay- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-06-18 14:16:27 666 WHUS71 KBOX 181916 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 316 PM EDT Thu Jun 18 2026 ANZ250-280-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ251-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Massachusetts Bay and Ipswich Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Massachusetts Bay and Ipswich Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231>234-190200- /O.CON.KBOX.GL.W.0019.000000T0000Z-260619T0200Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-182300- /O.CON.KBOX.GL.W.0019.000000T0000Z-260618T2300Z/ Boston Harbor- 316 PM EDT Thu Jun 18 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ255-256-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ 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- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet. * 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...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-191115- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260620T0000Z/ Rhode Island Sound-Block Island Sound- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-182300- /O.CON.KBOX.SC.Y.0067.000000T0000Z-260618T2300Z/ Narragansett Bay- 316 PM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||