


Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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084 FZUS52 KCHS 151602 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1202 PM EDT Sun Jun 15 2025 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 AMZ300-160515- 1202 PM EDT Sun Jun 15 2025 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Atlantic high pressure will continue to build across the Southeast United States through the week. $$ AMZ330-160515- Charleston Harbor- 1202 PM EDT Sun Jun 15 2025 .THIS AFTERNOON...SW winds 10 kt, increasing to 15 kt with gusts to 20 kt. A slight chance of showers and tstms. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. A slight chance of showers and tstms in the evening. .MON...SW winds 10 to 15 kt. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .MON NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms, mainly in the evening. .TUE...SW winds 10 to 15 kt. A slight chance of showers and tstms. .TUE NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms in the evening. .WED...SW winds 10 to 15 kt. A slight chance of showers and tstms. .WED NIGHT...SW winds 10 to 15 kt. .THU...SW winds 10 to 15 kt. A slight chance of showers and tstms. .THU NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 81 degrees. $$ AMZ350-160515- Waters from South Santee River to Edisto Beach SC out 20 NM- 1202 PM EDT Sun Jun 15 2025 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 9 seconds. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers and tstms. .TUE NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .WED NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-160515- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1202 PM EDT Sun Jun 15 2025 .THIS AFTERNOON...SW winds 5 to 10 kt, becoming S 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. A slight chance of showers and tstms in the evening. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of tstms. A chance of showers, mainly in the morning. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-160515- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1202 PM EDT Sun Jun 15 2025 .THIS AFTERNOON...SW winds 5 to 10 kt, becoming S 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 9 seconds. A slight chance of showers and tstms in the evening. .MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A chance of showers. A chance of tstms, mainly in the evening. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of tstms. A chance of showers, mainly in the morning. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A slight chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-160515- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1202 PM EDT Sun Jun 15 2025 .THIS AFTERNOON...SW winds 10 to 15 kt, becoming S. Seas 3 ft. Wave Detail: SE 3 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A slight chance of showers and tstms after midnight. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers. A chance of tstms, mainly in the morning. .MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers. A chance of tstms, mainly in the morning. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A chance of showers. A chance of tstms, mainly in the evening. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers with a slight chance of tstms. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$