FIRST ALERT: Thunderstorm warnings expire, marine warning issued

Published: Jun. 19, 2023 at 11:05 AM EDT|Updated: Jun. 19, 2023 at 2:44 PM EDT
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CHARLESTON, S.C. (WCSC) - The National Weather Service issued a special marine warning for boaters of potentially threatening storms in Charleston Harbor.

The warning is in effect for Charleston Harbor and coastal waters from the South Santee River to Edisto Beach out 20 nautical miles until 2:45 p.m.

At 12:37 p.m., strong thunderstorms were located along a line extending from 16 nautical miles west of Stono Inshore Reef to near Edisto Forty Reef, moving northeast at 20 knots.

The storms carry wind gusts of 35 knots or greater, according to radar. Small craft could be damaged in briefly higher winds and suddenly higher waves.

The marine warning was issued after a severe thunderstorm warning for Berkeley, Dorchester and Colleton Counties expired at 12:30 p.m.