Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
455 WHUS71 KBOX 251858 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 258 PM EDT Fri Sep 25 2026 ANZ256-283-260800- /O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T0600Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING NOW IN EFFECT UNTIL 2 AM EDT SUNDAY... * WHAT...Northeast winds 35 to 45 kt with gusts up to 55 kt and seas 20 to 25 feet. * WHERE...In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. In Atlantic coastal waters, Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...Until 2 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-260800- /O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T0600Z/ Rhode Island Sound-Block Island Sound- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING NOW IN EFFECT UNTIL 2 AM EDT SUNDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 6 to 11 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 2 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ255-282-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 30 to 40 kt with gusts up to 60 kt and seas 20 to 25 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Atlantic coastal waters, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ254-281-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 17 to 22 feet. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. In Atlantic coastal waters, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Cape Cod Bay- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 20 to 30 kt with gusts up to 50 kt and seas 6 to 9 feet. * WHERE...Cape Cod Bay. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ250-251-280-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 16 to 21 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ230-236-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Boston Harbor-Narragansett Bay- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 20 to 25 kt with gusts up to 50 kt and waves around 3 feet. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ ANZ232>234-260800- /O.CON.KBOX.SR.W.0005.000000T0000Z-260927T0000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 258 PM EDT Fri Sep 25 2026 ...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... * WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 6 to 9 feet. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ Frank