Special Marine Warning for Coastal Waters off South Carolina
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NWS Charleston SC has issued a Special Marine Warning for coastal waters from South Santee River to Edisto Beach SC out to 60 NM until 3:00 AM EDT.
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- Record type
- Special Marine Warning
- Affected area
- Coastal South Carolina
- Issued
- September 6, 2026
- Issuing authority
- NWS Charleston SC
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Special Marine Warning issued by NWS Charleston SC. Effective from September 6, 2026 at 1:04 AM EDT until September 6, 2026 at 3:00 AM EDT.
Affected Areas
Coastal waters from South Santee River to Edisto Beach SC out 20 NM; waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM. Locations impacted include Cape Romain Reef.
What You Should Do
Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or nearest law enforcement agency.
Expected Conditions
A strong thunderstorm was located 7 NM southeast of Cape Romain Reef, moving southeast at 15 knots. Hazard includes wind gusts to 40 knots. Max hail size up to 0.75 inches. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective September 6, 2026 at 1:04 AM EDT and expires September 6, 2026 at 3:00 AM EDT.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (906 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 6, 2026.
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