Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 24 at 1:01AM EDT until October 24
Affecting Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM; Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
In effect until: Oct 24, 2026, 5:30 AM
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM; Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
Likely impact; effects through 5:30 AM.
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.
Read the original bulletin (official text)
SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas out 60 nm... * Until 130 AM EDT. * At 100 AM EDT, a strong thunderstorm was located 22 nm southwest of Twenty-Eight Foot Shoal Light, moving south at 15 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. * The strong thunderstorm will remain over mainly open waters.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™