Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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160 FZUS52 KCHS 210301 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1101 PM EDT Mon May 20 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 AMZ300-211615- 1101 PM EDT Mon May 20 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist for most of this week. A series of upper level disturbances should impact our area this weekend. $$ AMZ330-211615- Charleston Harbor- 1101 PM EDT Mon May 20 2024 .REST OF TONIGHT...NE winds 5 to 10 kt. .TUE...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. .TUE NIGHT...E winds 5 to 10 kt in the evening, becoming light and variable. .WED...NE winds 5 kt, becoming E in the afternoon. .WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. .THU...SW winds 5 to 10 kt. .THU NIGHT...S winds 5 to 10 kt. .FRI...SW winds 10 to 15 kt. .FRI NIGHT...S winds 10 to 15 kt. A slight chance of showers and tstms. .SAT...SW winds 10 to 15 kt. A slight chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 75 degrees. $$ AMZ350-211615- Waters from South Santee River to Edisto Beach SC out 20 NM- 1101 PM EDT Mon May 20 2024 .REST OF TONIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 10 seconds. .TUE NIGHT...E 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...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds. .THU NIGHT...S winds 10 kt. Seas 2 ft. .FRI...SW winds 10 kt. Seas 2 ft. .FRI NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SAT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...SW winds 10 kt. Seas 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-211615- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1101 PM EDT Mon May 20 2024 .REST OF TONIGHT...NE winds 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .WED...NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. .FRI...SW winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SAT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-211615- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1101 PM EDT Mon May 20 2024 .REST OF TONIGHT...NE winds 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 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. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. .THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...S winds 10 kt. Seas 2 ft. .SAT...SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-211615- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1101 PM EDT Mon May 20 2024 .REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 8 seconds. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds. A slight chance of showers after midnight. .WED...NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds. .THU...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...S winds 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$