


Special Marine Warning
Issued by NWS Key West, FL
Issued by NWS Key West, FL
903 WHUS52 KKEY 282244 SMWKEY GMZ053-054-073-074-282345- /O.NEW.KKEY.MA.W.0356.250928T2244Z-250928T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Key West FL 644 PM EDT Sun Sep 28 2025 The National Weather Service in Key West has issued a * Special Marine Warning for... Straits of Florida from Craig Key to Halfmoon Shoal out 60 nm... * Until 745 PM EDT. * At 643 PM EDT, strong thunderstorms were located along a line extending from near Marathon Humps to 15 nm southeast of Sombrero Key Light to 9 nm southeast of Big Pine Shoal, moving south at 25 knots. HAZARD...Wind gusts near 40 knots. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Marathon Humps. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets. Intense and continuous lightning is occurring with these storms. Stay low, or go below. Lower VHF antenna, outriggers, fishing rods, and umbrellas. && LAT...LON 2408 8069 2402 8098 2407 8135 2455 8128 2451 8090 2458 8069 TIME...MOT...LOC 2243Z 007DEG 25KT 2447 8067 2443 8093 2444 8124 HAIL...0.00IN WIND...>34KTS $$ DP