Coastal Waters Forecast
Issued by NWS Charleston, SC

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980 FZUS52 KCHS 161045 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 645 AM EDT Sun Jun 16 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 AMZ300-162315- 645 AM EDT Sun Jun 16 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A weak cold front will linger over the area today before slowly lifting back northward early this week. High pressure will then ridge in from offshore mid to late week. $$ AMZ330-162315- Charleston Harbor- 645 AM EDT Sun Jun 16 2024 .TODAY...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt this afternoon. .TONIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. .MON...E winds 10 to 15 kt with gusts to 20 kt. .MON NIGHT...E winds 10 to 15 kt. .TUE...E winds 10 to 15 kt with gusts to 20 kt. A slight chance of showers and tstms in the afternoon. .TUE NIGHT...E winds 10 to 15 kt with gusts to 20 kt. A slight chance of showers and tstms. .WED...E winds 15 to 20 kt. Waves 1 to 2 ft. A slight chance of showers and tstms. .WED NIGHT...E winds 10 to 15 kt. A slight chance of showers and tstms. .THU...E winds 10 to 15 kt. A chance of showers and tstms. .THU NIGHT...E winds 10 to 15 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 83 degrees. $$ AMZ350-162315- Waters from South Santee River to Edisto Beach SC out 20 NM- 645 AM EDT Sun Jun 16 2024 .TODAY...E winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 7 seconds. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and SE 3 ft at 7 seconds. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at 13 seconds. A slight chance of showers and tstms in the afternoon. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and SE 1 foot at 12 seconds. A slight chance of showers and tstms. .TUE...E winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 12 seconds. A slight chance of showers and tstms. .TUE NIGHT...E winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 12 seconds. A chance of showers and tstms. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and tstms. .THU...E winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers and tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-162315- Waters from Edisto Beach SC to Savannah GA out 20 NM- 645 AM EDT Sun Jun 16 2024 .TODAY...E winds 5 to 10 kt, increasing to 10 kt this afternoon. Seas 2 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TONIGHT...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds. .MON...E winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at 6 seconds and SE 1 foot at 13 seconds, becoming E 4 ft at 6 seconds and SE 1 foot at 13 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and SE 1 foot at 12 seconds. A chance of showers and tstms. .TUE...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E 4 ft at 6 seconds and SE 1 foot at 12 seconds. A chance of showers and tstms. .TUE NIGHT...E winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 12 seconds. A chance of showers and tstms. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and tstms. .THU...E winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ354-162315- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 645 AM EDT Sun Jun 16 2024 .TODAY...E winds 5 to 10 kt, increasing to 10 kt this afternoon. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and SE 1 foot at 14 seconds. .MON...E winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at 6 seconds and E 1 foot at 13 seconds, becoming E 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...E winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and E 1 foot at 12 seconds. A chance of showers and tstms. .TUE...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers and tstms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers and tstms. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. .WED NIGHT...E winds 20 kt. Seas 5 to 6 ft. A chance of showers and tstms. .THU...E winds 20 kt. Seas 5 to 7 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ374-162315- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 645 AM EDT Sun Jun 16 2024 .TODAY...E winds 5 to 10 kt, increasing to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and E 1 foot at 14 seconds. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and E 1 foot at 14 seconds. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 13 seconds. A chance of showers and tstms. .MON NIGHT...E winds 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers and tstms. .TUE...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers and tstms. .TUE NIGHT...E winds 15 kt with gusts to 20 kt. Seas 5 to 6 ft. Wave Detail: E 5 ft at 7 seconds and E 1 foot at 12 seconds. Showers likely with a chance of tstms. .WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely with a chance of tstms. .WED NIGHT...E winds 20 kt. Seas 6 to 8 ft. Showers likely with a chance of tstms. .THU...E winds 20 kt. Seas 8 to 10 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$