Severe Severe Storm ● Closed

Special Marine Warning issued September 12 at 3:10PM EDT until September 12 at 3:45PM EDT by NWS Key West FL, United States of America

Event time: Sep 12, 2026 19:10 UTC Last updated: Sep 21, 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.

SMWKEY

The National Weather Service in Key West has issued a

* Special Marine Warning for...
Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and
beyond 5 fathoms...
Gulf of America from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 fathoms...
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef...

* Until 345 PM EDT.

* At 310 PM EDT, a waterspout was located near Raccoon Key. The
waterspout was nearly stationary.

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

SOURCE...Public.

IMPACT...Waterspouts can capsize boats, damage vessels and create
suddenly higher waves. Expect wind gusts in excess of 34
knots, suddenly higher waves, frequent lightning, and
heavy downpours.

* Locations in the warning include...
Cudjoe Bay, Little Knockemdown Key, Raccoon Key, Water Keys,
Content Keys, and Toptree Hammock Key.

Measurements

Coordinates	24.6954, -81.5169
Region	Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Sh
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en-marine
Cap Urgency	Immediate
Cap Certainty	Likely
Cap Expires	2026-09-12T15:45:00-04:00

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

Also reported by: NWS NWS NWS NWS NWS NWS NWS NWS NWS NWS NWS NWS NWS

This event as JSON · API and licence

Source updated 37 days ago (Sep 12, 2026 19:11 UTC) · we last heard from WMO Alert Hub (national weather services) 48 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

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.

Severe Thunderstorm Warning — San Bernardino, CA; Clark, NV Severe Severe Storm United States closed via NWS Aug 13, 2026 Severe Thunderstorm Warning — Penobscot, ME; Piscataquis, ME Severe Severe Storm United States closed via NWS Aug 13, 2026 Severe Thunderstorm Warning — Rutland, VT Severe Severe Storm United States closed via NWS Aug 13, 2026 Severe Thunderstorm Warning — Ford, IL Severe Severe Storm United States closed via NWS Aug 13, 2026

Nearby & related events

Flood Warning — Lake, FL; Volusia, FL Severe Flood United States active via NWS 10 hr ago Flood Warning — Lake, FL; Volusia, FL Severe Flood United States active via NWS 23 hr ago Special Marine Warning — Hawk Channel from Ocean Reef to Craig Key out to the reef; Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM; Straits of Florida from Craig Severe Severe Storm United States active via NWS 23 hr ago Special Marine Warning — Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Hawk Channel from Ocean Reef to Craig Key out to the reef; Hawk Channel from Cr Severe Severe Storm United States active via NWS 1 day ago Flood Warning — Lake, FL; Volusia, FL Severe Flood United States active via NWS 1 day ago

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.