Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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169 FZUS52 KCHS 220501 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 101 AM EDT Wed May 22 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 AMZ300-221730- 101 AM EDT Wed May 22 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist into late week. Diurnal convection is expected during the weekend. A cold front might approach early next week. $$ AMZ330-221730- Charleston Harbor- 101 AM EDT Wed May 22 2024 .REST OF TONIGHT...SE winds 5 kt backing NE. .WED...NE winds 5 kt, becoming E in the afternoon. .WED NIGHT...S winds 5 to 10 kt. .THU...S winds 5 kt, increasing to 10 to 15 kt with gusts to 20 kt in the afternoon. .THU NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt. .SAT...SW winds 10 to 15 kt. A slight chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms. .SUN...SW winds 10 to 15 kt. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 76 degrees. $$ AMZ350-221730- Waters from South Santee River to Edisto Beach SC out 20 NM- 101 AM EDT Wed May 22 2024 .REST OF TONIGHT...SE winds 5 to 10 kt backing E. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .WED...NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 9 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-221730- Waters from Edisto Beach SC to Savannah GA out 20 NM- 101 AM EDT Wed May 22 2024 .REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .WED...E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: SE 2 ft at 4 seconds and SW 2 ft at 4 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...SW winds 10 kt. Seas 2 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-221730- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 101 AM EDT Wed May 22 2024 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 9 seconds. .FRI...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...SW winds 10 kt. Seas 2 ft. .SAT NIGHT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SUN NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-221730- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 101 AM EDT Wed May 22 2024 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 10 seconds. .WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft at 3 seconds and S 2 ft at 4 seconds. .FRI...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SUN...SW winds 10 kt. Seas 2 to 3 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$