WHUS52 KJAX 182152 SMWJAX AMZ452-454-472-474-182300- /O.NEW.KJAX.MA.W.0075.260618T2152Z-260618T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Jacksonville FL 552 PM EDT Thu Jun 18 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... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM... * Until 700 PM EDT. * At 552 PM EDT, strong thunderstorms were located along a line extending from 6 nm northeast of Guana River State Park to 9 nm northeast of Crescent Beach to Ormond-By-the-Sea, moving northeast at 45 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, Casablanca Reef, Anna Reef, Nine Mile Reef, and Big Georges Reef. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. 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 8113 2974 8115 3010 8134 3061 8091 3021 8068 2964 8066 2948 8085 2947 8091 TIME...MOT...LOC 2152Z 219DEG 46KT 3012 8124 2980 8107 2937 8106 HAIL...0.00IN WIND...>34KTS $$ 23