Expires:202101201215;;182401 FZUS52 KCHS 192339 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 639 PM EST Tue Jan 19 2021 South Santee River SC to Savannah GA out 20 NM and Savannah GA to Altamaha Sound GA out 60 NM, including Charleston Harbor and Grays Reef National Marine Sanctuary AMZ350-201215- Waters from South Santee River to Edisto Beach SC out 20 NM- 639 PM EST Tue Jan 19 2021 .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt, increasing to 15 to 20 kt with occasional gusts to 25 kt after midnight. Seas 2 to 3 ft. .WED...W winds 15 to 20 kt with gusts to 25 kt, becoming NW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. .WED NIGHT...NW winds 5 to 10 kt. Seas 2 ft. .THU...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 ft, building to 3 to 4 ft in the afternoon. A slight chance of showers in the afternoon. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. A chance of showers. .FRI...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Showers likely. .FRI NIGHT...NW winds 10 kt, becoming N with gusts to 20 kt after midnight. Seas 3 to 4 ft. A chance of showers. .SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. $$