Coastal Waters Forecast
Issued by NWS Charleston, SC

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209 FZUS52 KCHS 301414 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1014 AM EDT Sun Jun 30 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 AMZ300-010315- 1014 AM EDT Sun Jun 30 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Atlantic high pressure will prevail today, while a trough of low pressure resides inland. A cold front will impact the area Monday into Tuesday before dissipating offshore. High pressure will return for the latter half of the week. $$ AMZ330-010315- Charleston Harbor- 1014 AM EDT Sun Jun 30 2024 .REST OF TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt this afternoon. A slight chance of showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt. A chance of showers and tstms. .MON...SW winds 5 to 10 kt. Showers and tstms. .MON NIGHT...NE winds 10 kt. Showers and tstms likely, mainly in the evening. .TUE...NE winds 10 to 15 kt. A chance of showers and tstms. .TUE NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. A chance of showers and tstms. .WED...E winds 5 to 10 kt. A chance of showers and tstms. .WED NIGHT...E winds 5 to 10 kt. .THU...E winds 5 to 10 kt. A slight chance of showers and tstms. .THU NIGHT...S winds 5 to 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 86 degrees. $$ AMZ350-010315- Waters from South Santee River to Edisto Beach SC out 20 NM- 1014 AM EDT Sun Jun 30 2024 .REST OF TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms after midnight. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms in the morning, then showers and tstms in the afternoon. .MON NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds, becoming NE 2 ft at 3 seconds and S 1 foot at 5 seconds. Showers and tstms likely. .TUE...NE winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds and S 1 foot at 5 seconds. Showers and tstms likely, mainly in the morning. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S 1 foot at 5 seconds. A chance of showers and tstms. .WED...E winds 10 kt. Seas 3 ft. A chance of showers and tstms. .WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU...E winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ352-010315- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1014 AM EDT Sun Jun 30 2024 .REST OF TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers and tstms in the morning, then showers and tstms in the afternoon. .MON NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Showers and tstms. .TUE...NE winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at 5 seconds. Showers and tstms likely. .TUE NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at 4 seconds. A chance of showers and tstms in the evening, then showers and tstms likely after midnight. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .THU...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ354-010315- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1014 AM EDT Sun Jun 30 2024 .REST OF TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .MON...S 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 slight chance of showers and tstms in the morning, then showers and tstms in the afternoon. .MON NIGHT...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Showers and tstms. .TUE...E winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and SE 2 ft at 5 seconds. Showers and tstms likely. .TUE NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers and tstms likely, mainly in the evening. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ374-010315- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1014 AM EDT Sun Jun 30 2024 .REST OF TODAY...SW winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers and tstms after midnight. .MON...SW winds 10 kt. Seas 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Showers and tstms likely. .TUE...E winds 5 to 10 kt. Seas 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers and tstms likely. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 ft. Wave Detail: NE 3 ft at 7 seconds and S 2 ft at 5 seconds. Showers and tstms likely. .WED...E winds 5 to 10 kt. Seas 3 ft. Showers and tstms likely. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .THU...NE winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .THU NIGHT...S winds 5 to 10 kt. Seas 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$