Severe Severe Storm ● Closed

Special Marine Warning issued September 20 at 4:37PM EDT until September 20 at 5:15PM EDT by NWS Tampa Bay Ruskin FL, United States of America

Event time: Last updated: Sep 29, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

SMWTBW

The National Weather Service in Ruskin has issued a

* Special Marine Warning for...
Tampa Bay waters...

* Until 515 PM EDT.

* At 437 PM EDT, a severe thunderstorm capable of producing
waterspouts was located near Hillsborough Bay, moving south at 20
knots.

HAZARD...Waterspouts and wind gusts 34 knots or greater.

SOURCE...Radar.

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...
Gandy Bridge, Old Tampa Bay, Howard Frankland Bridge, Tampa Bay,
Cockroach Bay, Hillsborough Bay, Courtney Campbell Causeway, and
Clearwater.

Measurements

Coordinates27.7889, -82.4400
RegionTampa Bay waters
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-20T17:15:00-04:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 29 days ago (Sep 20, 2026 20:39 UTC) · we last heard from WMO Alert Hub (national weather services) 43 seconds ago

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Official authorities in United States

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.