Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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931 FZUS52 KCHS 212208 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 608 PM EDT Sat Sep 21 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 AMZ300-221030- 608 PM EDT Sat Sep 21 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will linger across the region through early next week. A weak cold front may approach from the west around the middle of next week. $$ AMZ330-221030- Charleston Harbor- 608 PM EDT Sat Sep 21 2024 .TONIGHT...E winds 5 to 10 kt, becoming NE 5 kt .SUN...N winds 5 kt, becoming S in the afternoon. .SUN NIGHT...S winds 5 to 10 kt. .MON...NW winds 5 kt, becoming SE in the afternoon. .MON NIGHT...SE winds 5 to 10 kt. .TUE...SE winds 5 to 10 kt. .TUE NIGHT...SE winds 5 to 10 kt. .WED...SE winds 5 to 10 kt. .WED NIGHT...SE winds 5 to 10 kt. A slight chance of showers. .THU...E winds 5 to 10 kt. A chance of showers. .THU NIGHT...E winds 10 kt. A chance of showers. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 79 degrees. $$ AMZ350-221030- Waters from South Santee River to Edisto Beach SC out 20 NM- 608 PM EDT Sat Sep 21 2024 .TONIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 k. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 9 seconds. .SUN...N winds 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .MON...N winds 5 kt, becoming E in the afternoon. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 10 kt. Seas 2 to 3 ft. A chance of showers. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. $$ AMZ352-221030- Waters from Edisto Beach SC to Savannah GA out 20 NM- 608 PM EDT Sat Sep 21 2024 .TONIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and E 2 ft at 9 seconds. .SUN...Variable winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and E 2 ft at 6 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .MON...W winds 5 kt, becoming SE in the afternoon. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. .TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 10 kt. Seas 2 to 3 ft. A slight chance of showers. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. $$ AMZ354-221030- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 608 PM EDT Sat Sep 21 2024 .TONIGHT...E winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and E 2 ft at 9 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and E 3 ft at 9 seconds. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .MON...W winds 5 kt, becoming SE in the afternoon. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 10 kt. Seas 2 to 3 ft. A slight chance of showers. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers. $$ AMZ374-221030- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 608 PM EDT Sat Sep 21 2024 .TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and E 2 ft at 9 seconds, becoming E 4 ft at 9 seconds and E 2 ft at 6 seconds. .SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds. .SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds. .MON...W winds 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. .TUE...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds. .TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft. .WED...E winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 kt. Seas 3 to 4 ft. A slight chance of showers. .THU...SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers. $$