NWS Charleston SCMA.W 0042June 29, 2026
Special Marine Warning: Coastal waters from Edisto Beach SC to Savannah GA out 20 NM and Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
The National Weather Service office in Charleston issued a special marine warning for Coastal waters from Edisto Beach SC to Savannah GA out 20 NM and Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary, which was in force until 4:30 p.m. local time on June 29. It was the 42nd special marine warning the NWS office in Charleston issued in 2026.
ExpiredWarning
In force for 1.4 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Charleston SC
- Area
- Coastal waters from Edisto Beach SC to Savannah GA out 20 NM and Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
- Level
- Warning
- Issued
- 3:06 p.m. EDT, June 29, 2026
- Expires
- 4:30 p.m. EDT, June 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KCHS MA.W 0042
- Official source
- National Weather Service: the notice at its source
NWS notices, June 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWCHS The National Weather Service in Charleston has issued a * Special Marine Warning for... Waters from Edisto Beach SC to Altamaha Sound out 20 NM... * Until 430 PM EDT. * At 306 PM EDT, strong thunderstorms were located along a line from over Calibogue Sound to 10 NM northwest of Ossabaw Sound, moving south at 20 knots. HAZARD...Wind gusts to 34 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... D U A Buoy, Sea Buoy Os, Sea Buoy 2w, 110 Degree Olympic Buoy, Buoy K C, Sailboat Jupiter, Motherlode Barge, Wassaw Sound Buoy, Ossabaw Sound, Savannah Buoy, C A T Buoy, Tug Rio Apon, Buoy Tender Sagebrush, C C A Buoy and Ferry Boat Janet.
What the agency told people to do
Move to safe harbor until hazardous weather passes.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.