FZUS52 KCHS 051122 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 622 AM EST Tue Dec 5 2023 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 AMZ300-060015- 622 AM EST Tue Dec 5 2023 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A dry cold front will drop through the area tonight, followed by high pressure through Saturday. The next weather system will arrive Saturday night into Sunday. High pressure should return early next week. $$ AMZ330-060015- Charleston Harbor- 622 AM EST Tue Dec 5 2023 .TODAY...NW winds 5 kt, becoming W 10 kt this afternoon. .TONIGHT...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts to 20 kt after midnight. .WED...NW winds 15 to 20 kt with gusts to 25 kt. .WED NIGHT...N winds 10 to 15 kt. .THU...N winds 5 to 10 kt, becoming NW in the afternoon. .THU NIGHT...W winds 5 kt. .FRI...SW winds 5 to 10 kt. .FRI NIGHT...S winds 5 kt. .SAT...E winds 5 to 10 kt. A slight chance of showers. .SAT NIGHT...S winds 10 to 15 kt. Showers likely. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 59 degrees. $$ AMZ350-060015- Waters from South Santee River to Edisto Beach SC out 20 NM- 622 AM EST Tue Dec 5 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .TODAY...NW winds 5 to 10 kt, becoming W early this afternoon, then increasing to 10 to 15 kt late. Seas 2 ft. .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. .WED...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 ft. .FRI...W winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers. .SAT...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers. .SAT NIGHT...S winds 15 to 20 kt. Seas 3 to 4 ft. Showers likely. $$ AMZ352-060015- Waters from Edisto Beach SC to Savannah GA out 20 NM- 622 AM EST Tue Dec 5 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .TODAY...N winds 10 kt, becoming W late this morning. Seas 2 ft. .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft. .WED...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. .WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 kt. Seas 2 ft. .FRI...W winds 5 kt. Seas 2 ft. .FRI NIGHT...SE winds 5 kt. Seas 2 ft. .SAT...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely. $$ AMZ354-060015- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 622 AM EST Tue Dec 5 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .TODAY...NW winds 10 kt, becoming W this afternoon. Seas 2 ft. .TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft. .WED...NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft. .WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 5 kt. Seas 2 ft. .FRI...N winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft. .SAT...E winds 5 to 10 kt. Seas 2 ft. A slight chance of showers. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. $$ AMZ374-060015- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 622 AM EST Tue Dec 5 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT... .TODAY...NW winds 10 kt, becoming W late. Seas 2 ft. .TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft, building to 4 to 5 ft after midnight. .WED...NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft. .WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. .THU NIGHT...N winds 5 kt, becoming SW after midnight. Seas 2 to 3 ft. .FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers. .SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers. .SAT NIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers. $$