Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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705 FZUS52 KCHS 030524 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1224 AM EST Mon Nov 3 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 AMZ300-031800- 1224 AM EST Mon Nov 3 2025 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will build into the area today and prevail through midweek. A dry cold front will pass through Thursday, followed by more high pressure. Another cold front could impact the area over the weekend. $$ AMZ330-031800- Charleston Harbor- 1224 AM EST Mon Nov 3 2025 .REST OF TONIGHT...N winds 10 kt. A slight chance of showers. .MON...NW winds 5 to 10 kt. .MON NIGHT...NW winds 5 to 10 kt. .TUE...NE winds 5 to 10 kt. .TUE NIGHT...NE winds 5 kt. .WED...NE winds 5 kt, becoming SW in the afternoon. .WED NIGHT...SW winds 5 kt. .THU...N winds 5 to 10 kt. .THU NIGHT...E winds 5 to 10 kt. .FRI...SE winds 5 to 10 kt. .FRI NIGHT...SW winds 5 kt. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 64 degrees. $$ AMZ350-031800- Waters from South Santee River to Edisto Beach SC out 20 NM- 1224 AM EST Mon Nov 3 2025 .REST OF TONIGHT...N winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers. .MON...NW winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 9 seconds. .MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 10 seconds. .TUE...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 4 seconds and SE 1 foot at 9 seconds. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and E 3 ft at 9 seconds. .WED...NE winds 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. $$ AMZ352-031800- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1224 AM EST Mon Nov 3 2025 .REST OF TONIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and SE 2 ft at 8 seconds. .MON...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 9 seconds. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and E 1 foot at 9 seconds. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 foot at 9 seconds. .WED...NE winds 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt. Seas 2 ft. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft. .FRI...SE winds 5 kt. Seas 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. $$ AMZ354-031800- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1224 AM EST Mon Nov 3 2025 .REST OF TONIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and SE 1 foot at 8 seconds. .MON...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 8 seconds. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and E 1 foot at 10 seconds. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and E 1 foot at 10 seconds. .TUE NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 foot at 9 seconds. .WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and E 2 ft at 8 seconds. .WED NIGHT...S winds 5 kt, becoming W after midnight. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt. Seas 2 ft. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft. .FRI...E winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft. $$ AMZ374-031800- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1224 AM EST Mon Nov 3 2025 .REST OF TONIGHT...N winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 3 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers. .MON...N winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at 9 seconds. .MON NIGHT...N winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 10 seconds. .TUE...NE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: NE 4 ft at 5 seconds and SE 1 foot at 9 seconds, becoming NE 4 ft at 6 seconds and SE 1 foot at 9 seconds. .TUE NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds and SE 2 ft at 9 seconds. .WED...NE winds 5 to 10 kt, becoming N in the afternoon. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 3 ft. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft. .FRI...SE winds 5 kt. Seas 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. $$