Severe Severe Storm ● Closed

Special Marine Warning issued September 7 at 4:16AM EDT until September 7 at 4:45AM EDT by NWS Tallahassee FL, United States of America

Event time: Last updated: Sep 16, 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.

For the following areas...
Coastal Waters From Ochlockonee River to Apalachicola FL out to 20
Nm...
Coastal Waters from Mexico Beach to Apalachicola out 20 NM...
Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM...
Waters from Suwannee River to Apalachicola FL from 20 to 60 NM...

At 416 AM EDT/316 AM CDT/, strong thunderstorms were located along a
line extending from near Mexico Beach to 13 nm south of Empire Mica
Wreck, moving west at 20 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, Empire Mica Wreck, and Port St. Joe.

Measurements

Coordinates29.5213, -85.1600
RegionCoastal Waters from Mexico Beach to Apalachicola out 20 NM; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Waters from Mexico Beac
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-07T04:45:00-04:00

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 42 days ago (Sep 7, 2026 08:17 UTC) · we last heard from WMO Alert Hub (national weather services) 52 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Special Marine Warning — Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM; Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM; Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Darke, OH; Miami, OH; Montgomery, OH; Preble, OH Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Preble, OH Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Darke, OH; Miami, OH; Montgomery, OH; Preble, OH Severe Severe Storm United States closed via NWS Aug 8, 2026

Nearby & related events

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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.