


Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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971 FZUS52 KCHS 140127 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 927 PM EDT Fri Jun 13 2025 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 AMZ300-141415- 927 PM EDT Fri Jun 13 2025 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Atlantic high pressure will build across the Southeast U.S. through the weekend into next week. $$ AMZ330-141415- Charleston Harbor- 927 PM EDT Fri Jun 13 2025 .REST OF TONIGHT...SW winds 10 to 15 kt. .SAT...SW winds 10 kt. A chance of showers and tstms in the afternoon. .SAT NIGHT...SW winds 10 kt. Showers and tstms likely, mainly in the evening. .SUN...SW winds 10 to 15 kt. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms. .MON...SW winds 10 kt. A chance of showers and tstms. .MON NIGHT...SW winds 10 kt. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt. A chance of showers and tstms. .TUE NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. A chance of showers and tstms. .WED NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 82 degrees. $$ AMZ350-141415- Waters from South Santee River to Edisto Beach SC out 20 NM- 927 PM EDT Fri Jun 13 2025 .REST OF TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds. A slight chance of showers and tstms late. .SAT...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. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 9 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 9 seconds. A chance of showers and tstms. .SUN NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 3 ft at 5 seconds. A chance of showers and tstms. .MON...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .WED NIGHT...SW winds 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-141415- Waters from Edisto Beach SC to Savannah GA out 20 NM- 927 PM EDT Fri Jun 13 2025 .REST OF TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: SE 3 ft at 8 seconds, becoming SE 4 ft at 8 seconds. A chance of showers and tstms in the afternoon. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. Showers and tstms likely, mainly in the evening. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-141415- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 927 PM EDT Fri Jun 13 2025 .REST OF TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. .SAT...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 in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. Showers and tstms likely, mainly in the evening. .SUN...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. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 9 seconds. A chance of showers and tstms. .MON...SW 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 NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .WED...SW 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 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-141415- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 927 PM EDT Fri Jun 13 2025 .REST OF TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A slight chance of showers and tstms late. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and tstms. .SUN...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of showers and tstms. .SUN NIGHT...S winds 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and tstms. .MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Showers and tstms likely. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$