Expires:202411221115;;445704 FZUS52 KCHS 212255 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 555 PM EST Thu Nov 21 2024 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 AMZ330-221115- Charleston Harbor- 555 PM EST Thu Nov 21 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. .FRI...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. .FRI NIGHT...W winds 15 kt with gusts to 20 kt. .SAT...W winds 10 to 15 kt. .SAT NIGHT...W winds 5 to 10 kt. .SUN...W winds 5 kt. .SUN NIGHT...W winds 5 kt. .MON...W winds 5 to 10 kt. .MON NIGHT...SW winds 5 to 10 kt. .TUE...SW winds 10 kt. .TUE NIGHT...W winds 5 to 10 kt. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 67 degrees. $$