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Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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343 FZUS52 KCHS 191019 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 619 AM EDT Fri Jul 19 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 AMZ300-192315- 619 AM EDT Fri Jul 19 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will approach our region today and likely stall to our north and west through the weekend. High pressure will return next week with weak troughing inland. $$ AMZ330-192315- Charleston Harbor- 619 AM EDT Fri Jul 19 2024 .TODAY...SW winds 5 kt, increasing to 10 to 15 kt with gusts to 20 kt late this morning. A slight chance of showers and tstms early this afternoon. A chance of showers and tstms late. .TONIGHT...SW winds 10 kt. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Showers and tstms likely. .SAT NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Showers and tstms likely. .SUN...SW winds 5 to 10 kt. Showers and tstms likely. .SUN NIGHT...S winds 5 to 10 kt. Showers and tstms likely. .MON...SW winds 5 to 10 kt. Showers and tstms likely. .MON NIGHT...S winds 5 to 10 kt. Showers and tstms likely. .TUE...S winds 10 to 15 kt. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. Showers and tstms likely. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 86 degrees. $$ AMZ350-192315- Waters from South Santee River to Edisto Beach SC out 20 NM- 619 AM EDT Fri Jul 19 2024 .TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers this morning. A slight chance of tstms. A slight chance of showers this afternoon. .TONIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms in the evening, then showers and tstms likely after midnight. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. Showers and tstms likely. .SAT NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely. .SUN...SW winds 5 to 10 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. .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 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. $$ AMZ352-192315- Waters from Edisto Beach SC to Savannah GA out 20 NM- 619 AM EDT Fri Jul 19 2024 .TODAY...SW winds 10 kt, becoming S late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers with a slight chance of tstms early this morning. A slight chance of showers and tstms late. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 9 seconds. Showers and tstms likely mainly in the evening. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds, becoming SE 3 ft at 8 seconds and S 2 ft at 5 seconds. Showers and tstms likely, mainly in the morning. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely. .SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds, becoming SE 4 ft at 9 seconds. Showers and tstms likely. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .MON NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. $$ AMZ354-192315- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 619 AM EDT Fri Jul 19 2024 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 5 seconds. A slight chance of showers and tstms late. .TONIGHT...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 9 seconds. A chance of showers and tstms, mainly in the evening. .SAT...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. A chance of showers and tstms. .SAT 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 8 seconds. Showers and tstms likely. .SUN...S winds 5 to 10 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. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. $$ AMZ374-192315- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 619 AM EDT Fri Jul 19 2024 .TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers and tstms early this morning. .TONIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 9 seconds. A chance of showers and tstms mainly in the evening. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds, becoming SE 3 ft at 8 seconds and SW 2 ft at 4 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely. .SUN...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. Showers and tstms likely. .MON...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .MON NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. $$