Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
365 WHUS71 KBOX 111800 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 100 PM EST Tue Nov 11 2025 ANZ250-254>256-120700- /O.CON.KBOX.GL.W.0035.000000T0000Z-251112T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 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- 100 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * WHAT...West winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 12 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm 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...Until 7 AM EST Wednesday. * 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. && $$ ANZ232>235-237-120700- /O.CON.KBOX.GL.W.0035.000000T0000Z-251112T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound- Block Island Sound- 100 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * WHAT...West winds 25 to 35 kt with gusts up to 40 kt and seas 5 to 8 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 7 AM EST Wednesday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ231-251-120700- /O.CON.KBOX.GL.W.0035.000000T0000Z-251112T1200Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 100 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * WHAT...West winds 20 to 30 kt with gusts up to 35 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...Until 7 AM EST Wednesday. * 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. && $$ ANZ230-120400- /O.CON.KBOX.GL.W.0035.000000T0000Z-251112T0400Z/ Boston Harbor- 100 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...West winds 20 to 25 kt with gusts up to 30 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 11 PM EST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ236-120400- /O.CON.KBOX.GL.W.0035.000000T0000Z-251112T0400Z/ Narragansett Bay- 100 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...West winds 20 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet. * WHERE...Narragansett Bay. * WHEN...Until 11 PM EST 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. && $$