Active Weather Alerts
Special Marine Warning
Issued: 10:26 PM Sep. 29, 2026 – National Weather Service
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 20 nm west of Dry Tortugas out 20 nm... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... Gulf of America including Dry Tortugas and Rebecca Shoal Channel... Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 nm out... * Until 730 PM EDT. * At 626 PM EDT, strong thunderstorms were located along a line extending from 8 nm northeast of W Tower to 14 nm west of Wood's Wall West Crack, moving northeast at 20 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... Rebecca Shoal Light, Vandenberg, Halfmoon Shoal Light, Joe's Tug, Western Dry Rocks, East Sambo, and Cottrell 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 these storms. Stay low, or go below. Lower VHF antenna, outriggers, fishing rods, and umbrellas. && HAIL...0.00IN; WIND...>34KTS
Special Marine Warning
Issued: 10:09 PM Sep. 29, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 645 PM EDT... For the following areas... Hawk Channel and Straits of Florida from west end of Seven Mile Bridge to 20 nm west of Dry Tortugas out 20 nm... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... Gulf of America including Dry Tortugas and Rebecca Shoal Channel... At 609 PM EDT, strong thunderstorms were located along a line extending from near W Tower to 6 nm west of Cosgrove Shoal Light, moving northeast at 25 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... Rebecca Shoal Light, Halfmoon Shoal Light, Dry Tortugas, Marquesas Keys, Pulaski Shoal Light, Twenty-Eight Foot Shoal Light, and Cosgrove Shoal Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning strikes, 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. If caught on the open water, stay low or go below. && HAIL...0.00IN; WIND...>34KTS
Coastal Flood Advisory
Issued: 8:05 PM Sep. 29, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT... * WHAT...Saltwater flooding. * WHERE...Middle and Lower Florida Keys. * WHEN...Until 7 AM EDT Wednesday. * IMPACTS...Saltwater flooding of low elevation streets and lots is expected. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. &&
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