854 WHUS52 KKEY 200515 SMWKEY GMZ035-044-054-200600- /O.NEW.KKEY.MA.W.0165.260720T0515Z-260720T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Key West FL 115 AM EDT Mon Jul 20 2026 The National Weather Service in Key West has issued a * Special Marine Warning for... Hawk Channel and Straits of Florida from west end of Seven Mile Bridge to Halfmoon Shoal out 20 nm... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... * Until 200 AM EDT. * At 114 AM EDT, a strong thunderstorm was located over American Shoal Light, moving north at 10 knots. HAZARD...Wind gusts 34 knots or greater. 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... Annette Key, Howe Key, Pelican Shoal, Raccoon Key, Ninefoot Shoal, Cudjoe Bay, and Little Knockemdown Key. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor as quickly, and as safely as possible. When downpours reduce visibility, slow down. && LAT...LON 2476 8137 2474 8137 2475 8139 2474 8138 2472 8138 2474 8139 2473 8140 2469 8139 2468 8139 2469 8140 2464 8140 2445 8145 2446 8165 2460 8165 2461 8166 2478 8167 TIME...MOT...LOC 0514Z 185DEG 12KT 2453 8155 HAIL...0.00IN WIND...>34KTS $$ MJV 208 WHUS52 KTAE 200539 SMWTAE GMZ730-752-755-765-775-200845- /O.NEW.KTAE.MA.W.0208.260720T0539Z-260720T0845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Tallahassee FL 139 AM EDT Mon Jul 20 2026 The National Weather Service in Tallahassee has issued a * Special Marine Warning for... Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm... Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm... Coastal Waters from Mexico Beach to Apalachicola out 20 NM... Coastal waters from Suwannee River to Keaton Beach out 20 NM... Waters from Suwannee River to Apalachicola FL from 20 to 60 NM... * Until 445 AM EDT/345 AM CDT/. * At 139 AM EDT/1239 AM CDT/, severe thunderstorms capable of producing waterspouts were located along a line extending from 8 nm north of St George Island to near Buckeye Reef to 29 nm west of Suwannee River, moving north at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can quickly form and capsize boats...damage vessels...and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots...suddenly higher waves...frequent lightning...and heavy downpours. Make sure all on board are wearing life jackets. * Locations impacted include... Buckeye Reef, O Tower, Mexico Beach, K Tower, Port St. Joe, S Tower, V Tower, Apalachicola, C Tower, Cape San Blas, St George Island, and Marker 24 Barge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 3013 8397 3002 8382 2919 8346 2902 8378 2960 8555 3005 8536 3005 8534 2997 8539 2982 8526 2973 8525 2976 8504 2986 8486 2981 8480 2995 8450 3010 8440 3016 8430 TIME...MOT...LOC 0539Z 157DEG 14KT 2980 8485 2955 8393 2920 8371 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ 42-DVD 653 WHUS53 KMQT 200552 SMWMQT LSZ264-266-200645- /O.NEW.KMQT.MA.W.0046.260720T0552Z-260720T0645Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 152 AM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... * Until 245 AM EDT. * At 151 AM EDT, strong thunderstorms were located along a line extending from 15 nm west of Superior Shoal to 11 nm south of The Central Lake Superior Buoy to 23 nm north of Brockway Mountain, moving east at 40 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4760 8662 4741 8725 4789 8815 4803 8769 TIME...MOT...LOC 0551Z 291DEG 39KT 4801 8746 4788 8769 4785 8796 HAIL...0.00IN WIND...>34KTS $$ Jablonski 079 WHUS52 KKEY 200559 SMWKEY GMZ032-033-035-044-054-200645- /O.NEW.KKEY.MA.W.0166.260720T0559Z-260720T0645Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Key West FL 159 AM EDT Mon Jul 20 2026 The National Weather Service in Key West has issued a * Special Marine Warning for... Hawk Channel and Straits of Florida from west end of Seven Mile Bridge to Halfmoon Shoal out 20 nm... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... * Until 245 AM EDT. * At 159 AM EDT, a strong thunderstorm was located over Ninefoot Shoal, moving north at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Annette Key, Howe Key, Big Munson Island, Raccoon Key, Ninefoot Shoal, Looe Key Light, and Horseshoe Key. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor as quickly, and as safely as possible. When downpours reduce visibility, slow down. Intense and continuous lightning is occurring with this storm. Stay low, or go below. Lower VHF antenna, outriggers, fishing rods, and umbrellas. && LAT...LON 2492 8162 2486 8125 2473 8130 2474 8132 2472 8131 2470 8131 2471 8134 2468 8132 2465 8133 2467 8134 2474 8140 2473 8140 2466 8137 2466 8134 2464 8134 2448 8140 2452 8167 2467 8165 2467 8163 2468 8165 TIME...MOT...LOC 0559Z 190DEG 11KT 2459 8154 HAIL...0.00IN WIND...>34KTS $$ MJV