Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
288 WHUS71 KBOX 181532 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1132 AM EDT Fri Sep 18 2026 ANZ250-251-254>256-190445- /O.NEW.KBOX.SC.Y.0086.260919T0000Z-260919T1600Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- 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- 1132 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON EDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay, 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 PM this evening to noon EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-232-190445- /O.NEW.KBOX.SC.Y.0086.260919T0300Z-260919T1600Z/ Cape Cod Bay-Nantucket Sound- 1132 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO NOON EDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Cape Cod Bay and Nantucket Sound. * WHEN...From 11 PM this evening to noon EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Frank