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Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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520 FZUS52 KCHS 200714 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 314 AM EDT Sat Jul 20 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 AMZ300-202015- 314 AM EDT Sat Jul 20 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will remain over the western Atlantic while a surface trough lingers inland. $$ AMZ330-202015- Charleston Harbor- 314 AM EDT Sat Jul 20 2024 .TODAY...Variable winds 5 kt, becoming SW 5 to 10 kt late this morning and early afternoon, then becoming S 15 kt late. A slight chance of showers and tstms late this morning and early afternoon. A chance of showers and tstms late. .TONIGHT...SW winds 5 to 10 kt. Showers and tstms likely, mainly in the evening. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt in the afternoon. Showers and tstms likely in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Showers and tstms likely. .MON...SW winds 10 to 15 kt. A chance of showers and tstms in the morning, then showers and tstms likely in the afternoon. .MON NIGHT...S winds 10 to 15 kt. Showers and tstms likely, mainly in the evening. .TUE...S winds 10 to 15 kt. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. A chance of showers and tstms. .WED...S winds 10 to 15 kt. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 86 degrees. $$ AMZ350-202015- Waters from South Santee River to Edisto Beach SC out 20 NM- 314 AM EDT Sat Jul 20 2024 .TODAY...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 showers and tstms early this morning, then a chance of showers and tstms late this morning and early afternoon. A slight chance of showers and tstms late. .TONIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms. .SUN...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers and tstms in the morning, then showers and tstms likely in the afternoon. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. Showers and tstms likely. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. Showers and tstms likely. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 5 seconds. Showers and tstms likely, mainly in the evening. .TUE...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...S winds 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. .WED NIGHT...S winds 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-202015- Waters from Edisto Beach SC to Savannah GA out 20 NM- 314 AM EDT Sat Jul 20 2024 .TODAY...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. A slight chance of showers and tstms until late afternoon, then a chance of showers and tstms late. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely, mainly in the evening. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. Showers and tstms likely. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 5 seconds. A chance of showers and tstms. .TUE...S winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-202015- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 314 AM EDT Sat Jul 20 2024 .TODAY...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. A chance of showers and tstms late. .TONIGHT...S 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. Showers and tstms likely, mainly in the evening. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely in the afternoon. .SUN NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. Showers and tstms likely, mainly in the evening. .MON...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of showers and tstms. .TUE...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .TUE NIGHT...S winds 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-202015- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 314 AM EDT Sat Jul 20 2024 .TODAY...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. A slight chance of showers and tstms. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .MON...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 4 seconds. A chance of showers and tstms. .TUE...S winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...S winds 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$