Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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498 FZUS52 KCHS 170432 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1232 AM EDT Mon Jun 17 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 AMZ300-171715- 1232 AM EDT Mon Jun 17 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A weak cold front will linger over the area tonight before dissipating early this week. High pressure will then ridge in from offshore mid to late week. $$ AMZ330-171715- Charleston Harbor- 1232 AM EDT Mon Jun 17 2024 .REST OF TONIGHT...E winds 15 kt, diminishing to 5 to 10 kt late. .MON...E winds 5 to 10 kt, increasing to 15 kt with gusts to 20 kt in the afternoon. .MON NIGHT...E winds 10 to 15 kt. .TUE...E winds 10 to 15 kt. A slight chance of showers and tstms in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. A slight chance of showers and tstms in the evening. .WED...E winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. .WED NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 1 to 2 ft. A chance of showers and tstms, mainly in the evening. .THU...E winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers and tstms. .THU NIGHT...E winds 10 to 15 kt. A chance of showers and tstms. .FRI...E winds 10 to 15 kt. A chance of showers and tstms. .FRI NIGHT...SE winds 10 to 15 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 84 degrees. $$ AMZ350-171715- Waters from South Santee River to Edisto Beach SC out 20 NM- 1232 AM EDT Mon Jun 17 2024 .REST OF TONIGHT...E winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at 6 seconds and SE 1 foot at 13 seconds. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and SE 3 ft at 8 seconds. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of tstms. A slight chance of showers. .TUE...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 12 seconds. A slight chance of showers and tstms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds and SE 1 foot at 12 seconds. A slight chance of showers and tstms. .WED...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft, building to 5 to 6 ft in the afternoon. Wave Detail: E 5 ft at 7 seconds, becoming E 6 ft at 8 seconds. A chance of showers and tstms. .WED NIGHT...E winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 7 ft, building to 6 to 7 ft after midnight. A chance of showers and tstms. .THU...E winds 20 kt. Seas 7 to 9 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers and tstms. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers and tstms. .FRI NIGHT...SE winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-171715- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1232 AM EDT Mon Jun 17 2024 .REST OF TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 4 seconds. .MON...E winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at 6 seconds and SE 1 foot at 13 seconds, becoming E 3 ft at 7 seconds and SE 1 foot at 13 seconds. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 6 seconds and SE 1 foot at 12 seconds. A slight chance of tstms. A chance of showers. .TUE...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds and SE 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .WED...E winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft, building to 4 to 6 ft in the afternoon. Wave Detail: E 5 ft at 7 seconds, becoming E 6 ft at 7 seconds. A chance of showers and tstms. .WED NIGHT...E winds 20 kt with gusts to 25 kt. Seas 5 to 6 ft, building to 5 to 7 ft after midnight. A chance of showers and tstms. .THU...E winds 20 kt. Seas 7 to 9 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers and tstms. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers and tstms. .FRI NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-171715- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1232 AM EDT Mon Jun 17 2024 .REST OF TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and E 1 foot at 13 seconds. .MON...E winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft at 6 seconds and E 1 foot at 13 seconds, becoming E 3 ft at 5 seconds and SE 1 foot at 9 seconds. A slight chance of showers and tstms in the afternoon. .MON NIGHT...E winds 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 8 seconds. A slight chance of tstms. A chance of showers. .TUE...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 6 seconds and E 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .WED...E winds 20 kt with gusts to 25 kt. Seas 4 to 5 ft, building to 4 to 6 ft in the afternoon. Wave Detail: E 5 ft at 7 seconds, becoming E 6 ft at 7 seconds. A chance of showers and tstms. .WED NIGHT...E winds 20 kt with gusts to 25 kt. Seas 5 to 6 ft, building to 5 to 7 ft after midnight. A chance of showers and tstms. .THU...E winds 20 to 25 kt. Seas 7 to 9 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers and tstms. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers and tstms. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-171715- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1232 AM EDT Mon Jun 17 2024 .REST OF TONIGHT...E winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 2 ft at 7 seconds and E 1 foot at 13 seconds. Isolated showers. .MON...E winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 13 seconds. A slight chance of showers and tstms. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 foot at 12 seconds. A slight chance of tstms. A chance of showers. .TUE...E winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft, building to 5 to 6 ft in the afternoon. Wave Detail: E 3 ft at 7 seconds and E 1 foot at 12 seconds, becoming E 4 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft at 7 seconds and E 1 foot at 12 seconds. A chance of showers with a slight chance of tstms. .WED...E winds 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: E 6 ft at 7 seconds. A chance of showers and tstms. .WED NIGHT...E winds 20 kt with gusts to 25 kt. Seas 6 to 8 ft, building to 7 to 9 ft after midnight. A chance of tstms. A chance of showers in the evening, then showers likely after midnight. .THU...E winds 15 to 20 kt. Seas 8 to 10 ft. Showers likely with a chance of tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. A chance of showers and tstms. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers and tstms. .FRI NIGHT...SE winds 10 kt. Seas 4 to 5 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$