Coastal Waters Forecast
Issued by NWS Charleston, SC

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664 FZUS52 KCHS 291706 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 106 PM EDT Sat Jun 29 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 AMZ300-300615- 106 PM EDT Sat Jun 29 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Atlantic high pressure will prevail this weekend, while a trough of low pressure resides inland. A cold front is expected to impact the area Monday into Tuesday. High pressure will return for the latter half of next week. $$ AMZ330-300615- Charleston Harbor- 106 PM EDT Sat Jun 29 2024 .THIS AFTERNOON...S winds 10 kt. A slight chance of showers and tstms. .TONIGHT...S winds 10 kt, becoming SW after midnight. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .SUN NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. A chance of showers and tstms. .MON...SW winds 5 to 10 kt. Showers and tstms. .MON NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Showers and tstms. .TUE...NE winds 10 kt. A chance of showers and tstms. .TUE NIGHT...E winds 5 to 10 kt. A chance of showers and tstms. .WED...E winds 5 to 10 kt. A chance of showers and tstms. .WED NIGHT...SE winds 5 to 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 87 degrees. $$ AMZ350-300615- Waters from South Santee River to Edisto Beach SC out 20 NM- 106 PM EDT Sat Jun 29 2024 .THIS AFTERNOON...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 slight chance of showers and tstms early. .TONIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight 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 9 seconds. A chance of showers and tstms, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 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. .MON...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Showers and tstms likely. .MON NIGHT...S winds 5 to 10 kt, becoming E 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. 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. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-300615- Waters from Edisto Beach SC to Savannah GA out 20 NM- 106 PM EDT Sat Jun 29 2024 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at 4 seconds. A slight chance of showers and tstms. .TONIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Showers and tstms likely. .MON NIGHT...S winds 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers and tstms likely. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-300615- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 106 PM EDT Sat Jun 29 2024 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds. A slight chance of showers and tstms. .TONIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers and tstms, mainly in the evening. .SUN...SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 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 to 15 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. .MON...S winds 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 in the morning, then showers and tstms likely in the afternoon. .MON NIGHT...S 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. Showers and tstms likely. .TUE...E winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms likely. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-300615- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 106 PM EDT Sat Jun 29 2024 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds. .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers and tstms, mainly in the morning. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 10 kt. Seas 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers and tstms likely. .TUE...SE winds 5 to 10 kt. Seas 3 ft. Showers and tstms likely. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .WED...E winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$