Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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857 FZUS52 KCHS 122251 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 651 PM EDT Fri Jul 12 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 AMZ300-131115- 651 PM EDT Fri Jul 12 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A weak front will meander across the area through Saturday. Atlantic high pressure will then rebuild across the area while a surface trough exists inland Sunday through the middle of next week. $$ AMZ330-131115- Charleston Harbor- 651 PM EDT Fri Jul 12 2024 .TONIGHT...S winds 5 to 10 kt. A chance of showers and tstms toward morning. .SAT...SW winds 5 to 10 kt. A chance of showers and tstms. .SAT NIGHT...S winds 5 to 10 kt. A chance of showers and tstms, mainly in the evening. .SUN...SW winds 5 to 10 kt. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms, mainly in the evening. .MON...SW winds 5 kt, becoming S in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .MON NIGHT...SW winds 10 kt. A chance of showers and tstms, mainly in the evening. .TUE...SW winds 10 to 15 kt. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. A chance of showers and tstms. .WED NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 87 degrees. $$ AMZ350-131115- Waters from South Santee River to Edisto Beach SC out 20 NM- 651 PM EDT Fri Jul 12 2024 .TONIGHT...S winds 10 to 15 kt, gusts to around 20 kt early. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 8 seconds. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 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 and S 1 foot at 4 seconds. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 1 foot at 4 seconds. A chance of showers and tstms. .MON...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .TUE...SW winds 10 to 15 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...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .WED NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ352-131115- Waters from Edisto Beach SC to Savannah GA out 20 NM- 651 PM EDT Fri Jul 12 2024 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: E 3 ft at 8 seconds. A chance of showers early. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers and tstms, mainly in the evening. .SUN...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 1 foot at 4 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 10 kt. Seas 3 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .TUE...SW winds 5 to 10 kt. Seas 3 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ354-131115- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 651 PM EDT Fri Jul 12 2024 .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 1 foot at 4 seconds. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A slight chance of showers and tstms. .SUN...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 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 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 2 to 3 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. $$ AMZ374-131115- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 651 PM EDT Fri Jul 12 2024 .TONIGHT...S winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 4 seconds. .SAT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 1 foot at 4 seconds. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SUN...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .TUE...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED NIGHT...S winds 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$