


Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
971 WHUS71 KBOX 171736 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 136 PM EDT Fri Oct 17 2025 ANZ235-237-171845- /O.EXP.KBOX.SC.Y.0100.000000T0000Z-251017T1800Z/ Rhode Island Sound-Block Island Sound- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... . $$ ANZ233-234-171845- /O.EXP.KBOX.SC.Y.0100.000000T0000Z-251017T1800Z/ Vineyard Sound-Buzzards Bay- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... . $$ ANZ236-171845- /O.EXP.KBOX.SC.Y.0101.000000T0000Z-251017T1800Z/ Narragansett Bay- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... . $$ ANZ230-171845- /O.EXP.KBOX.SC.Y.0101.000000T0000Z-251017T1800Z/ Boston Harbor- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... . $$ ANZ254-255-180645- /O.EXB.KBOX.SC.Y.0100.000000T0000Z-251019T1200Z/ 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- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT SUNDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet. * WHERE...Coastal waters from Provincetown to Chatham to Nantucket out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-251-180645- /O.EXT.KBOX.SC.Y.0100.000000T0000Z-251019T1200Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT SUNDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 5 to 8 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-180000- /O.CON.KBOX.SC.Y.0100.000000T0000Z-251018T0000Z/ Cape Cod Bay-Nantucket Sound- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...Until 8 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. && $$ ANZ256-180000- /O.CON.KBOX.SC.Y.0100.000000T0000Z-251018T0000Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 136 PM EDT Fri Oct 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$