FZUS71 KBOX 220337 MWSBOX Marine Weather Statement National Weather Service Boston/Norton MA 1137 PM EDT Tue Jul 21 2026 ANZ254-255-281>283-220430- /O.CON.KBOX.MA.W.0026.000000T0000Z-260722T0430Z/ 1137 PM EDT Tue Jul 21 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT... For the following areas... Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket... Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM... Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM... Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM... Ocean Waters from Provincetown to Nantucket from 20 to 60 NM... At 1136 PM EDT, a cluster of strong thunderstorms capable of producing waterspouts was located 29 nm south of The Coastal Waters South Of Nantucket, moving northeast at 40 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... The Coastal Waters East Of Nantucket. PRECAUTIONARY/PREPAREDNESS ACTIONS... Report severe weather to the Coast Guard or the National Weather Service. && LAT...LON 4027 7041 4025 7092 4041 7113 4165 6917 4110 6876 4091 6881 4028 6965 4024 6995 TIME...MOT...LOC 0336Z 229DEG 41KT 4066 6987 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ Frank