Coastal Waters Forecast
Issued by NWS Charleston, SC

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257 FZUS52 KCHS 222312 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 712 PM EDT Wed May 22 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 AMZ300-231215- 712 PM EDT Wed May 22 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist into late week. Diurnal convection and hot temperatures expected during the holiday weekend. A cold front might bring impacts to our area on Tuesday. $$ AMZ330-231215- Charleston Harbor- 712 PM EDT Wed May 22 2024 .TONIGHT...S winds 5 to 10 kt. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. .THU NIGHT...S winds 5 to 10 kt. .FRI...SW winds 5 to 10 kt. A slight chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt. A slight chance of showers and tstms. .SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms. .SAT NIGHT...SW winds 5 to 10 kt. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt. A slight chance of showers and tstms. .SUN NIGHT...S winds 5 to 10 kt. .MON...SW winds 10 to 15 kt. A chance of showers and tstms. .MON NIGHT...SW winds 10 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 77 degrees. $$ AMZ350-231215- Waters from South Santee River to Edisto Beach SC out 20 NM- 712 PM EDT Wed May 22 2024 .TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .THU...SW winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 9 seconds. .THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 9 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 foot at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 foot at 9 seconds. A slight chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 8 seconds. A slight chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .MON 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. $$ AMZ352-231215- Waters from Edisto Beach SC to Savannah GA out 20 NM- 712 PM EDT Wed May 22 2024 .TONIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...SW winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds and S 1 foot at 3 seconds. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds. .FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and S 2 ft at 4 seconds. A slight chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 foot at 8 seconds. A slight chance of showers and tstms in the morning. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-231215- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 712 PM EDT Wed May 22 2024 .TONIGHT...SE winds 5 to 10 kt, becoming S late. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .FRI...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. .SAT...W winds 10 kt, becoming S in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms in the evening. .SUN...SW winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-231215- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 712 PM EDT Wed May 22 2024 .TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. A slight chance of showers and tstms after midnight. .SAT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 foot at 8 seconds. A slight chance of showers and tstms in the morning. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$