Severe Severe Storm ● Closed

Special Marine Warning issued September 21 at 3:29PM CDT until September 21 at 4:30PM CDT by NWS Tallahassee FL, United States of America

Event time: Last updated: Sep 30, 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.

SMWTAE

The National Weather Service in Tallahassee has issued a

* Special Marine Warning for...
Coastal Waters from Mexico Beach to Apalachicola out 20 NM...

* Until 430 PM CDT.

* At 329 PM CDT, a strong thunderstorm was located over Port St. Joe,
moving west at 5 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar indicated.

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...
Cape San Blas and Port St. Joe.

Measurements

Coordinates29.7815, -85.3154
RegionCoastal Waters from Mexico Beach to Apalachicola out 20 NM
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-21T16:30:00-05:00

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

Also reported by: NWS NWS

This event as JSON · API and licence

Source updated 28 days ago (Sep 21, 2026 20:30 UTC) · we last heard from WMO Alert Hub (national weather services) 11 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.