Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued September 18 at 5:19PM EDT until September 18
Affecting Tampa Bay waters
In effect until: Sep 18, 2026, 9:45 PM
Tampa Bay waters
Likely impact; effects through 9:45 PM.
Move to safe harbor immediately as gusty winds and high waves are expected.
Affected areas
St. Petersburg
Read the original bulletin (official text)
SMWTBW The National Weather Service in Ruskin has issued a * Special Marine Warning for... Tampa Bay waters... * Until 545 PM EDT. * At 519 PM EDT, a strong thunderstorm was located over Gandy Bridge, moving southwest at 15 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...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... Port Manatee Reef, Tampa Bay, Cockroach Bay, and Gandy Bridge.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™