


Special Marine Warning
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
869 WHUS52 KJAX 132237 SMWJAX AMZ450-470-132330- /O.NEW.KJAX.MA.W.0180.250813T2237Z-250813T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Jacksonville FL 637 PM EDT Wed Aug 13 2025 The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM... * Until 730 PM EDT. * At 637 PM EDT, strong thunderstorms were located along a line extending from 18 nm west of St. Simons Island to 11 nm southwest of Jekyll Island to near Amelia City, moving northeast at 25 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... Buoy Hlha, High Point, Buoy F, Jekyll Island, Buoy Cdh, St Simons Island Village, St. Simons Island, Saint Andrews Sound, Buoy Kby, Dungeness, St Simons Sound Buoy 9, Saint Marys Entrance Buoy 16, and Cumberland Island. 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 3128 8132 3128 8124 3123 8091 3064 8106 3068 8125 3069 8147 3086 8148 3110 8145 3130 8134 TIME...MOT...LOC 2237Z 218DEG 25KT 3111 8174 3090 8152 3062 8136 HAIL...0.00IN WIND...>34KTS $$ AB