Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
103 WHUS71 KBOX 200759 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 359 AM EDT Sun Sep 20 2026 ANZ254>256-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ 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- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, 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 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-237-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound-Block Island Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt and seas 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-202200- /O.NEW.KBOX.SC.Y.0087.260921T1200Z-260922T0000Z/ Nantucket Sound- 359 AM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Nantucket Sound. * WHEN...From 8 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$