


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: 724 PM EDT Sat Oct 18 2025 | |
Tonight: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 11 seconds and S 2 ft at 3 seconds. Sun: S winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave detail: S 3 ft at 4 seconds and E 3 ft at 13 seconds, becoming S 4 ft at 5 seconds and E 3 ft at 12 seconds. Sun Night: SW winds 20 kt, becoming W after midnight. Seas 5 to 6 ft, subsiding to 4 to 6 ft after midnight. Wave detail: S 6 ft at 6 seconds and E 2 ft at 12 seconds, becoming SW 6 ft at 7 seconds and E 2 ft at 11 seconds. A slight chance of showers and tstms. Mon: N winds 15 to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave detail: NW 5 ft at 6 seconds and E 2 ft at 11 seconds, becoming SW 3 ft at 5 seconds and NE 2 ft at 11 seconds. Mon Night: NE winds 5 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 5 seconds and NE 2 ft at 9 seconds. Tue: NW winds 5 kt, becoming SW in the afternoon. Seas 2 ft. Wave detail: E 2 ft at 9 seconds and S 1 foot at 4 seconds. Tue Night: SW winds 10 to 15 kt. Seas 2 to 3 ft. Wed: W winds 10 to 15 kt. Seas 2 to 3 ft. Wed Night: NW winds 10 to 15 kt. Seas 2 ft. Thu: N winds 10 to 15 kt. Seas 2 ft. Thu Night: NE winds 5 to 10 kt. Seas 2 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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