WHUS52 KJAX 211942 SMWJAX AMZ452-454-212045- /O.NEW.KJAX.MA.W.0095.260621T1942Z-260621T2045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Jacksonville FL 342 PM EDT Sun Jun 21 2026 The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... * Until 445 PM EDT. * At 342 PM EDT, strong thunderstorms were located along a line extending from 16 nm west of Palm Valley to Marineland, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Dorothy Louise Barge, Saint Augustine Beach, Beverly Beach, Vilano Beach, South Ponte Vedra Beach, Palm Valley, Nine Mile Reef, Saint Augustine, Jacksonville Beach, Crescent Beach, Butler Beach, Big Georges Reef, Marineland, Guana River State Park, Atlantic Beach, and Palm Coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 2946 8116 2953 8120 2955 8124 2963 8125 2965 8128 2973 8128 2981 8135 3010 8141 3022 8147 3032 8148 3037 8108 3015 8100 2988 8093 2948 8075 TIME...MOT...LOC 1942Z 262DEG 21KT 3012 8169 2967 8122 HAIL...0.00IN WIND...>34KTS $$ DUBOIS