Coastal Waters Forecast
Issued by NWS Charleston, SC

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472 FZUS52 KCHS 050201 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1001 PM EDT Tue Jun 4 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 AMZ300-051515- 1001 PM EDT Tue Jun 4 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will extend across the area through Wednesday. A cold front will approach from the northwest on Thursday, then slowly move through on Friday. High pressure returns for the weekend. $$ AMZ330-051515- Charleston Harbor- 1001 PM EDT Tue Jun 4 2024 .TONIGHT...S winds 10 kt, diminishing to 5 kt late. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 kt. A chance of showers. A chance of tstms, mainly in the evening. .THU...SW winds 10 to 15 kt. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon. .THU NIGHT...SW winds 10 kt. A chance of tstms. Showers likely, mainly in the evening. .FRI...SW winds 10 to 15 kt. A slight chance of tstms. A chance of showers, mainly in the morning. .FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt, becoming NW after midnight. A slight chance of showers and tstms in the evening. .SAT...NW winds 10 to 15 kt. .SAT NIGHT...SW winds 10 to 15 kt. .SUN...SW winds 10 to 15 kt. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. A chance of showers with a slight chance of tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 79 degrees. $$ AMZ350-051515- Waters from South Santee River to Edisto Beach SC out 20 NM- 1001 PM EDT Tue Jun 4 2024 .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A slight chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds, becoming SW 3 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of showers. A chance of tstms, mainly in the evening. .THU...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. .THU NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of tstms. Showers likely. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A slight chance of tstms. A chance of showers, mainly in the morning. .FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. A slight chance of showers and tstms. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers with a slight chance of tstms. Winds and seas higher in and near tstms. $$ AMZ352-051515- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1001 PM EDT Tue Jun 4 2024 .TONIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. A chance of showers. A chance of tstms, mainly in the evening. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of tstms. Showers likely. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. A slight chance of tstms. A chance of showers, mainly in the morning. .FRI NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT...NW winds 5 to 10 kt. Seas 2 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 ft. .SUN...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers with a slight chance of tstms. Winds and seas higher in and near tstms. $$ AMZ354-051515- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1001 PM EDT Tue Jun 4 2024 .TONIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 7 seconds. .WED...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of showers. A chance of tstms, mainly in the evening. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of tstms. A chance of showers. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. A slight chance of tstms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .FRI NIGHT...SW winds 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A slight chance of tstms. A chance of showers, mainly in the evening. .SAT...NW winds 5 to 10 kt. Seas 2 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 ft. .SUN...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms. Winds and seas higher in and near tstms. $$ AMZ374-051515- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1001 PM EDT Tue Jun 4 2024 .TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. A chance of showers. A chance of tstms, mainly in the evening. .THU...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of tstms. Showers likely. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 7 seconds. A chance of showers with a slight chance of tstms. .FRI NIGHT...SW winds 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers with a slight chance of tstms. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 ft. A slight chance of showers. .SUN...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers with a slight chance of tstms. Winds and seas higher in and near tstms. $$