


Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
253 WHUS71 KBOX 090704 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 304 AM EDT Thu Oct 9 2025 ANZ230-091400- /O.EXT.KBOX.SC.Y.0098.000000T0000Z-251009T1400Z/ Boston Harbor- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. * WHERE...Boston Harbor. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231>234-092000- /O.EXT.KBOX.SC.Y.0098.000000T0000Z-251009T2000Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 2 to 4 feet. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 4 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-091700- /O.EXT.KBOX.SC.Y.0098.000000T0000Z-251009T1700Z/ Rhode Island Sound- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. * WHERE...Rhode Island Sound. * WHEN...Until 1 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ237-091700- /O.EXT.KBOX.SC.Y.0099.000000T0000Z-251009T1700Z/ Block Island Sound- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. * WHERE...Block Island Sound. * WHEN...Until 1 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-092030- /O.EXT.KBOX.SC.Y.0098.000000T0000Z-251010T0200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ251-256-092000- /O.EXT.KBOX.SC.Y.0099.000000T0000Z-251009T2000Z/ Massachusetts Bay and Ipswich Bay- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...North winds 15 to 25 kt and seas 4 to 6 feet. * WHERE...In Massachusetts coastal waters, Massachusetts Bay and Ipswich Bay. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until 4 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-092030- /O.EXT.KBOX.SC.Y.0099.000000T0000Z-251010T0500Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT FRIDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until 1 AM 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. && $$ ANZ255-092030- /O.EXT.KBOX.SC.Y.0099.000000T0000Z-251010T0200Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 304 AM EDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...Until 10 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$