Coastal Waters Forecast
Issued by NWS Charleston, SC

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117 FZUS52 KCHS 280155 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 955 PM EDT Thu Jun 27 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 AMZ300-280300- 955 PM EDT Thu Jun 27 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will remain over the western Atlantic while weak fronts linger near the area through the end of the week. $$ AMZ330-280300- Charleston Harbor- 955 PM EDT Thu Jun 27 2024 .TONIGHT...Variable winds 5 kt. Showers this evening, then a chance of showers after midnight. A slight chance of showers late. .FRI...W winds 5 kt, becoming SE in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .FRI NIGHT...S winds 5 to 10 kt. A chance of showers and tstms, mainly in the evening. .SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. A chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt in the afternoon. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Showers and tstms likely. .MON...SW winds 10 to 15 kt. Showers and tstms likely. .MON NIGHT...E winds 10 to 15 kt. Showers and tstms likely. .TUE...NE winds 10 to 15 kt. A chance of showers and tstms. .TUE NIGHT...E winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 85 degrees. $$ AMZ350-280300- Waters from South Santee River to Edisto Beach SC out 20 NM- 955 PM EDT Thu Jun 27 2024 .TONIGHT...N winds 15 to 20 kt with gusts to 25 kt, becoming SE 5 to 10 kt after midnight, then becoming SW late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds. Showers, mainly this evening. .FRI...W winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms in the morning. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms after midnight. .SAT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at 4 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely. .MON...SW winds 10 kt. Seas 2 to 3 ft. Showers and tstms. .MON NIGHT...E winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-280300- Waters from Edisto Beach SC to Savannah GA out 20 NM- 955 PM EDT Thu Jun 27 2024 .TONIGHT...N winds 10 to 15 kt with gusts to 20 kt, becoming NE 5 kt after midnight, then becoming S late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds. Showers likely, mainly this evening. .FRI...W winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the morning. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at 4 seconds. A chance of showers and tstms after midnight. .SAT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at 4 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .MON NIGHT...SE winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-280300- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 955 PM EDT Thu Jun 27 2024 .TONIGHT...NW winds 5 kt, becoming S late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers. .FRI...W winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the morning. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms after midnight. .SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at 4 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .MON NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-280300- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 955 PM EDT Thu Jun 27 2024 .TONIGHT...W winds 5 to 10 kt, becoming N after midnight, then becoming S 5 kt late. Seas 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds. A slight chance of showers this evening, then a chance of showers after midnight. .FRI...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 9 seconds. A chance of showers and tstms in the morning. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms after midnight. .SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms in the evening, then showers and tstms likely after midnight. .MON...SW winds 10 kt. Seas 3 ft. Showers and tstms likely. .MON NIGHT...S winds 10 kt. Seas 3 ft. Showers and tstms likely. .TUE...NE winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$