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: 539 AM EDT Sun Mar 22 2026


Today: SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave detail: SW 3 ft at 5 seconds and E 3 ft at 9 seconds.

Tonight: SW winds 15 to 20 kt. Seas 4 ft. Wave detail: SW 4 ft at 5 seconds and E 2 ft at 9 seconds.

Mon: SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave detail: SW 4 ft at 6 seconds and E 2 ft at 9 seconds. A slight chance of showers in the afternoon.

Mon Night: NW winds 15 to 20 kt, becoming NE 25 to 30 kt after midnight. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Wave detail: SW 4 ft at 6 seconds and E 1 foot at 9 seconds, becoming NE 5 ft at 9 seconds and S 2 ft at 5 seconds. A slight chance of tstms in the evening. A chance of showers.

Tue: NE winds 25 to 30 kt. Seas 6 to 8 ft, building to 7 to 9 ft in the afternoon. Wave detail: NE 8 ft at 7 seconds and S 1 foot at 5 seconds, becoming E 9 ft at 8 seconds. A slight chance of showers in the afternoon.

Tue Night: NE winds 20 to 25 kt with gusts to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 6 to 8 ft, subsiding to 5 to 7 ft after midnight. Wave detail: E 8 ft at 8 seconds, becoming E 6 ft at 8 seconds. A slight chance of showers.

Wed: NE winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers.

Wed Night: E winds 5 to 10 kt. Seas 3 to 4 ft.

Thu: SE winds 5 to 10 kt. Seas 2 to 3 ft.

Thu Night: SW winds 10 to 15 kt. Seas 2 to 3 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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