Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued September 28 at 5:32PM EDT until September 28
Affecting Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out
In effect until: Sep 28, 2026, 10:00 PM
Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out
Likely impact; effects through 10:00 PM.
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.
Read the original bulletin (official text)
For the following areas... Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 nm out... At 531 PM EDT, a strong thunderstorm was located 39 nm southwest of Wood's Wall West Crack, moving northeast 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. The strong thunderstorm will remain over mainly open waters.
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™