Severe Severe Storm ● Closed
Special Marine Warning issued September 7 at 4:00PM EDT until September 7 at 6:00PM EDT by NWS Charleston SC, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
SMWCHS
The National Weather Service in Charleston has issued a
* Special Marine Warning for...
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm,
including Grays Reef National Marine Sanctuary...
* Until 600 PM EDT.
* At 400 PM EDT, a severe thunderstorm producing waterspouts was
located over Wassaw Sound Buoy, moving southwest at 20 knots. As of
355 PM, Tybee Island Lifeguard observed a waterspout south of tybee
Island.
HAZARD...Waterspouts and wind gusts to 34 knots.
SOURCE...Life Guard.
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...
Buoy B L, St Catherines Buoy 3, Sapelo Channelbuoy 3, Saint
Catherines Sound, C A T Buoy, K T K Buoy, Buoy B H, Steel Barge
Modena, Ossabaw Sound, Sea Buoy Os, D U A Buoy, Doboy Sound Buoy D,
Sea Buoy 2w, A L T Buoy and Wassaw Sound Buoy.
Measurements
| Coordinates | 31.5805, -81.2062 |
|---|---|
| Region | Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary |
| Location Precision | polygon |
| Issuing Authority | United States of America — us-noaa-nws-en-marine |
| Cap Urgency | Immediate |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-07T18:00:00-04:00 |
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 reportThis event as JSON · API and licence
Source updated 42 days ago (Sep 7, 2026 20:01 UTC) · we last heard from WMO Alert Hub (national weather services) 16 seconds ago
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