Marine Weather Message
Issued by NWS Boston, MA
Issued by NWS Boston, MA
892 WHUS71 KBOX 171638 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1238 PM EDT Fri Jul 17 2026 ANZ254>256-180545- /O.NEW.KBOX.SC.Y.0074.260718T1500Z-260719T2100Z/ 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- 1238 PM EDT Fri Jul 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 5 PM EDT SUNDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 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 11 AM Saturday to 5 PM 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. && $$ ANZ250-251-180545- /O.NEW.KBOX.SC.Y.0074.260718T1500Z-260719T1600Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- 1238 PM EDT Fri Jul 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO NOON EDT SUNDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. * WHEN...From 11 AM Saturday to noon EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231>235-237-180545- /O.NEW.KBOX.SC.Y.0074.260718T1500Z-260719T1600Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-Block Island Sound- 1238 PM EDT Fri Jul 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO NOON EDT SUNDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From 11 AM Saturday to noon 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. && $$ ANZ230-236-180545- /O.NEW.KBOX.SC.Y.0074.260718T1500Z-260719T1600Z/ Boston Harbor-Narragansett Bay- 1238 PM EDT Fri Jul 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO NOON EDT SUNDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From 11 AM Saturday to noon EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Frank