Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
790 WHUS71 KBOX 090739 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 239 AM EST Tue Dec 9 2025 ANZ250-254>256-092045- /O.CAN.KBOX.SC.Y.0125.000000T0000Z-251209T0900Z/ /O.NEW.KBOX.GL.A.0025.251210T0600Z-251211T0000Z/ 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- 239 AM EST Tue Dec 9 2025 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 7 to 10 feet possible. * 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...From late tonight through Wednesday evening. * 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. && $$ ANZ230-236-092045- /O.NEW.KBOX.SC.Y.0126.251210T0300Z-251211T0000Z/ Boston Harbor-Narragansett Bay- 239 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM EST WEDNESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From 10 PM this evening to 7 PM EST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231>235-237-251-092045- /O.NEW.KBOX.GL.A.0025.251210T0600Z-251211T0000Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-Block Island Sound- Massachusetts Bay and Ipswich Bay- 239 AM EST Tue Dec 9 2025 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 7 feet possible. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From late tonight through Wednesday evening. * 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 waves. && $$ Frank