Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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583 FZUS52 KCHS 140509 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 109 AM EDT Tue May 14 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 AMZ300-141815- 109 AM EDT Tue May 14 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A warm front will lift northward through the area Tuesday morning, followed by a cold front from the west Tuesday night. High pressure will return to the area by Thursday, followed by another storm system this weekend. $$ AMZ330-141815- Charleston Harbor- 109 AM EDT Tue May 14 2024 .REST OF TONIGHT...SE winds 10 to 15 kt. A chance of showers, then showers likely with a slight chance of tstms late. .TUE...S winds 5 to 10 kt. Showers and tstms. .TUE NIGHT...SW winds 10 kt. A chance of showers and tstms. .WED...SW winds 10 kt. A chance of showers and tstms. .WED NIGHT...W winds 10 kt. A chance of showers and tstms in the evening. .THU...NW winds 5 to 10 kt. .THU NIGHT...E winds 5 kt, becoming S after midnight. .FRI...S winds 5 to 10 kt. A slight chance of showers and tstms. .FRI NIGHT...S winds 10 kt. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt. A chance of showers and tstms. .SAT NIGHT...SW winds 10 kt. A chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 75 degrees. $$ AMZ350-141815- Waters from South Santee River to Edisto Beach SC out 20 NM- 109 AM EDT Tue May 14 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .REST OF TONIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 9 seconds. A slight chance of showers, then showers likely with a slight chance of tstms late. .TUE...S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and E 1 foot at 9 seconds. Showers and tstms. .TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: S 5 ft at 7 seconds, becoming S 4 ft at 8 seconds. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. A chance of showers and tstms, mainly in the morning. .WED NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: S 5 ft at 7 seconds, becoming S 4 ft at 7 seconds. A chance of showers and tstms in the evening. .THU...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds, becoming SW 2 ft at 5 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. .FRI...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-141815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 109 AM EDT Tue May 14 2024 .REST OF TONIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds. A slight chance of showers, then showers likely with a slight chance of tstms late. .TUE...S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and E 1 foot at 8 seconds. Tstms likely. Showers. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. A chance of showers and tstms, mainly in the morning. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: S 4 ft at 7 seconds, becoming S 3 ft at 7 seconds. A slight chance of showers and tstms in the evening. .THU...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 4 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. .FRI...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-141815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 109 AM EDT Tue May 14 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... .REST OF TONIGHT...SE winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 7 seconds. A slight chance of showers, then a chance of showers with a slight chance of tstms late. .TUE...SW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: SE 4 ft at 7 seconds. Showers and tstms likely, mainly in the morning. .TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: SE 4 ft at 7 seconds, becoming SE 3 ft at 7 seconds. A chance of showers and tstms. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: SE 4 ft at 7 seconds, becoming SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of showers and tstms, mainly in the morning. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. A slight chance of showers and tstms in the evening. .THU...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. .FRI...S winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-141815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 109 AM EDT Tue May 14 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY... .REST OF TONIGHT...SE winds 20 to 25 kt with gusts to 30 kt. Seas 6 to 7 ft. Wave Detail: E 6 ft at 7 seconds. A slight chance of showers, then a chance of showers with a slight chance of tstms late. .TUE...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 5 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: SE 5 ft at 7 seconds and E 1 foot at 8 seconds, becoming SE 5 ft at 7 seconds and E 1 foot at 9 seconds. Showers and tstms likely, mainly in the morning. .TUE NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds and E 1 foot at 9 seconds. A chance of showers and tstms in the evening, then showers and tstms likely after midnight. .WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: SE 5 ft at 7 seconds and SW 3 ft at 4 seconds, becoming SW 3 ft at 5 seconds and SE 3 ft at 7 seconds. Showers and tstms likely, mainly in the morning. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and E 1 foot at 9 seconds. A slight chance of showers and tstms in the evening. .THU...W winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 6 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. .FRI...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$