Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
905 WHUS71 KBOX 271046 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 546 AM EST Thu Nov 27 2025 ANZ255-256-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/ 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- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, west winds 20 to 30 kt with gusts up to 35 kt and seas 6 to 9 feet. For the Gale Warning, west winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 10 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 Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday. * 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. && $$ ANZ232>235-237-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound- Block Island Sound- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ250-254-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/ 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- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. For the Gale Warning, west winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday. * 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. && $$ ANZ231-251-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T1200Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 7 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 4 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 7 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ230-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T0000Z/ Boston Harbor- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EST FRIDAY... * WHAT...For the Small Craft Advisory, west winds 10 to 20 kt with gusts up to 25 kt and waves around 2 feet expected. For the Gale Warning, southwest winds 15 to 25 kt with gusts up to 30 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM to 7 PM EST Friday. * 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. && $$ ANZ236-280000- /O.CON.KBOX.SC.Y.0119.000000T0000Z-251128T1100Z/ /O.CON.KBOX.GL.W.0038.251128T1100Z-251129T0000Z/ Narragansett Bay- 546 AM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EST FRIDAY... * WHAT...For the Small Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 4 feet expected. For the Gale Warning, west winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 feet expected. * WHERE...Narragansett Bay. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM to 7 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$