| 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: 509 AM EDT Thu Sep 18 2025 |  |
| Today: SW winds 5 kt, becoming W later this morning, then S 5 to 10 kt this afternoon. Seas 1 to 2 ft. Wave detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds. A slight chance of showers this morning. Tonight: SE winds 5 to 10 kt, diminishing to 5 kt after midnight. Seas 1 to 2 ft. Wave detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds. Fri: NE winds 5 kt, becoming E in the afternoon. Seas 1 to 2 ft. Wave detail: E 2 ft at 9 seconds and S 1 foot at 4 seconds. Fri Night: E winds 5 to 10 kt. Seas 2 ft. Wave detail: SE 2 ft at 5 seconds and E 2 ft at 8 seconds. Sat: NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave detail: E 3 ft at 8 seconds, becoming E 4 ft at 8 seconds. A slight chance of showers in the afternoon. Sat Night: NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave detail: E 5 ft at 7 seconds. A slight chance of showers. A slight chance of tstms after midnight. Sun: NE winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance of showers and tstms. Sun Night: NE winds 15 to 20 kt. Seas 5 to 6 ft. A slight chance of showers and tstms. Mon: NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. Mon Night: E winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms. 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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