Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
484 WHUS71 KBOX 160604 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 204 AM EDT Thu Oct 16 2025 ANZ231-251-161915- /O.EXT.KBOX.GL.W.0029.251016T1200Z-251017T0900Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 204 AM EDT Thu Oct 16 2025 ...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 AM EDT FRIDAY... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From 8 AM this morning to 5 AM EDT Friday. * 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. && $$ ANZ232-161915- /O.EXT.KBOX.GL.W.0029.251016T1200Z-251017T1200Z/ Nantucket Sound- 204 AM EDT Thu Oct 16 2025 ...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT FRIDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM this morning to 8 AM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ254-255-161915- /O.EXT.KBOX.GL.W.0029.251016T1200Z-251017T1500Z/ 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- 204 AM EDT Thu Oct 16 2025 ...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 11 AM EDT FRIDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 7 to 10 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...From 8 AM this morning to 11 AM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-161915- /O.EXT.KBOX.GL.W.0029.251016T1200Z-251017T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 204 AM EDT Thu Oct 16 2025 ...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT FRIDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 6 to 9 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 8 AM this morning to 8 AM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ235-237-161915- /O.EXT.KBOX.SC.Y.0100.000000T0000Z-251017T2100Z/ Rhode Island Sound-Block Island Sound- 204 AM EDT Thu Oct 16 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT FRIDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 5 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. && $$ ANZ233-234-161915- /O.EXT.KBOX.SC.Y.0100.251016T1200Z-251017T2100Z/ Vineyard Sound-Buzzards Bay- 204 AM EDT Thu Oct 16 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT FRIDAY... * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas around 3 feet expected. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 5 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-161915- /O.EXT.KBOX.SC.Y.0101.251016T1200Z-251017T1800Z/ Narragansett Bay- 204 AM EDT Thu Oct 16 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT FRIDAY... * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 3 feet expected. * WHERE...Narragansett Bay. * WHEN...From 8 AM this morning to 2 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. && $$ ANZ230-161915- /O.EXT.KBOX.SC.Y.0101.251016T1200Z-251017T1800Z/ Boston Harbor- 204 AM EDT Thu Oct 16 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT FRIDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 8 AM this morning to 2 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ256-161915- /O.CON.KBOX.SC.Y.0100.000000T0000Z-251018T0000Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 204 AM EDT Thu Oct 16 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 5 to 8 feet. * WHERE...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. && $$