Severe Severe Storm ● Closed

Special Marine Warning issued September 8 at 10:53AM EDT until September 8 at 11:30AM EDT by NWS Miami FL, United States of America

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.

SMWMFL

The National Weather Service in Miami has issued a

* Special Marine Warning for...
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20
NM...
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM...

* Until 1130 AM EDT.

* At 1053 AM EDT, a severe thunderstorm producing waterspouts was
located 21 nm east of Highland Beach, moving northeast at 5 knots.

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

SOURCE...Marine weather spotter reported.

IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.

* The severe thunderstorm will remain over mainly open waters.

Measurements

Coordinates26.3980, -79.6480
RegionCoastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM; Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-08T11:30:00-04:00

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 41 days ago (Sep 8, 2026 14:54 UTC) · we last heard from WMO Alert Hub (national weather services) 24 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.

Nearby & related events

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.