Severe Severe Storm ● Closed

Special Marine Warning issued October 10 at 8:14AM EDT until October 10 at 8:45AM EDT by NWS Charleston SC, 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.

For the following areas...
Coastal waters from South Santee River to Edisto Beach SC out 20
NM...

At 814 AM EDT, a severe thunderstorm capable of producing waterspouts
was located 7 NM west of Cape Romain Reef, moving north at 15 knots.

HAZARD...Waterspouts and wind gusts to 34 knots.

SOURCE...Radar indicated.

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

Locations impacted include...
Hector Reef and Cape Romain Reef.

Measurements

Coordinates33.0500, -79.2533
RegionCoastal waters from South Santee River to Edisto Beach SC out 20 NM
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-10-10T08:45:00-04:00

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 9 days ago (Oct 10, 2026 12:15 UTC) · we last heard from WMO Alert Hub (national weather services) 45 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.