[UPDATE] Special Marine Warning

FROM: NWS Charleston SC
AREA: Charleston Harbor; Coastal waters from South Santee River to Edisto Beach SC out 20 NM
SENT: 2026-06-18T18:55:00-04:00

Special Marine Warning issued June 18 at 6:55PM EDT until June 18 at 7:00PM EDT by NWS Charleston SC

The affected areas were…
Charleston Harbor…
Coastal waters from South Santee River to Edisto Beach SC out 20
NM…

The thunderstorm has weakened and no longer poses a significant
threat to boaters.

Alert Expiration: 2026-06-18T19:05:00-04:00


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