Coastal Waters Forecast for Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350) (Text-Only)
NWS Forecast for: Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350)
Issued by: National Weather Service Charleston, SC
Last Update: 1051 PM EDT Thu Mar 12 2026




Tonight: NE winds 25 to 30 kt with gusts to 35 kt, diminishing to 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft. Wave detail: N 5 ft at 4 seconds and S 5 ft at 7 seconds.

Fri: E winds 15 to 20 kt with gusts to 25 kt, becoming SE 5 to 10 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave detail: NE 5 ft at 6 seconds and SE 2 ft at 9 seconds, becoming E 4 ft at 8 seconds.

Fri Night: SW winds 5 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave detail: E 3 ft at 5 seconds and E 3 ft at 8 seconds, becoming E 3 ft at 7 seconds.

Sat: N winds 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave detail: E 3 ft at 8 seconds.

Sat Night: E winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 2 ft at 8 seconds. A slight chance of showers after midnight.

Sun: E winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave detail: SE 3 ft at 8 seconds, becoming SE 4 ft at 7 seconds. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon.

Sun Night: S winds 15 to 20 kt, increasing to 20 to 25 kt with gusts to 30 kt after midnight. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. A chance of tstms. Showers.

Mon: SW winds 25 to 30 kt. Seas 7 to 9 ft. Showers with a chance of tstms.

Mon Night: W winds 25 to 30 kt. Seas 6 to 8 ft. A chance of showers with a slight chance of tstms.

Tue: NW winds 20 to 25 kt. Seas 4 to 6 ft.

Tue Night: N winds 10 to 15 kt. Seas 3 to 4 ft.

winds and seas higher in and near tstms.







Zone Forecast: Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350)

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