Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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304 FZUS52 KCHS 191905 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 305 PM EDT Thu Sep 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 AMZ300-200815- 305 PM EDT Thu Sep 19 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... An area of high pressure is expected to gradually strengthen across the region through early next week. A weak cold front may approach from the west by next Thursday. $$ AMZ330-200815- Charleston Harbor- 305 PM EDT Thu Sep 19 2024 .TONIGHT...E winds 5 to 10 kt, becoming N 5 kt after midnight. A slight chance of showers this evening. .FRI...NE winds 5 to 10 kt. .FRI NIGHT...NE winds 5 to 10 kt. .SAT...NE winds 5 to 10 kt. .SAT NIGHT...E winds 5 to 10 kt. .SUN...NE winds 5 kt, becoming E in the afternoon. .SUN NIGHT...SE winds 5 to 10 kt. .MON...NE winds 5 to 10 kt. .MON NIGHT...E winds 5 to 10 kt. .TUE...NE winds 5 to 10 kt. .TUE NIGHT...E winds 5 to 10 kt. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 78 degrees. $$ AMZ350-200815- Waters from South Santee River to Edisto Beach SC out 20 NM- 305 PM EDT Thu Sep 19 2024 .TONIGHT...E winds 5 kt, becoming N 5 to 10 kt late. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds. .FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and NE 2 ft at 3 seconds. .FRI NIGHT...NE winds 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 10 seconds, becoming E 2 ft at 5 seconds and E 2 ft at 10 seconds. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and E 2 ft at 5 seconds. .SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 10 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NE winds 10 kt. Seas 2 to 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...NE winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. $$ AMZ352-200815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 305 PM EDT Thu Sep 19 2024 .TONIGHT...E winds 5 kt, becoming N 5 to 10 kt late. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and E 2 ft at 10 seconds. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 2 ft at 5 seconds and E 2 ft at 10 seconds. .SAT NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 10 seconds and E 2 ft at 5 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. .SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON...E winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...E winds 10 kt. Seas 2 to 3 ft. .TUE...NE winds 10 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. $$ AMZ354-200815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 305 PM EDT Thu Sep 19 2024 .TONIGHT...E winds 5 kt, becoming N 5 to 10 kt late. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and NE 1 foot at 2 seconds. .FRI NIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and E 2 ft at 4 seconds. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 10 seconds. .SAT NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 9 seconds. .SUN...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and E 2 ft at 6 seconds. .SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...E winds 10 kt. Seas 2 to 3 ft. .TUE...NE winds 10 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. $$ AMZ374-200815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 305 PM EDT Thu Sep 19 2024 .TONIGHT...NE winds 5 to 10 kt, becoming N late. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds. .FRI...N winds 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at 10 seconds, becoming E 3 ft at 10 seconds and NE 2 ft at 3 seconds. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 10 seconds and NE 2 ft at 4 seconds. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 3 ft at 5 seconds and E 3 ft at 9 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 9 seconds and NE 3 ft at 6 seconds. .SUN...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds. .SUN NIGHT...E winds 10 kt. Seas 3 to 4 ft. .MON...NE winds 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...NE winds 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. $$