Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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895 FZUS52 KCHS 151312 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 912 AM EDT Wed May 15 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 AMZ300-160215- 912 AM EDT Wed May 15 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will move through late today, followed by high pressure into Friday. A storm system will affect the area this weekend, followed by high pressure from the north next week. $$ AMZ330-160215- Charleston Harbor- 912 AM EDT Wed May 15 2024 .REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. A chance of showers and tstms late. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt, becoming W 5 kt after midnight. A chance of showers and tstms in the evening. .THU...W winds 5 to 10 kt. .THU NIGHT...SE winds 5 to 10 kt, becoming S after midnight. .FRI...S winds 5 kt, increasing to 10 kt in the afternoon. .FRI NIGHT...S winds 10 kt. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SAT...S winds 10 to 15 kt. Showers likely with a chance of tstms. .SAT NIGHT...SW winds 15 kt. Showers likely with a chance of tstms. .SUN...W winds 15 kt. A chance of showers and tstms. .SUN NIGHT...NW winds 10 to 15 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 75 degrees. $$ AMZ350-160215- Waters from South Santee River to Edisto Beach SC out 20 NM- 912 AM EDT Wed May 15 2024 .REST OF TODAY...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. A slight chance of showers and tstms late. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 kt after midnight. 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 slight chance of showers and tstms in the evening. .THU...NW winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds. .FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-160215- Waters from Edisto Beach SC to Savannah GA out 20 NM- 912 AM EDT Wed May 15 2024 .REST OF TODAY...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 7 seconds. .TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: S 4 ft at 7 seconds, becoming S 3 ft at 7 seconds. .THU...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 3 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds. .FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-160215- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 912 AM EDT Wed May 15 2024 .REST OF TODAY...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. .TONIGHT...W winds 10 to 15 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 and W 2 ft at 3 seconds. .THU...W winds 10 to 15 kt with gusts to 20 kt, becoming SW 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 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at 3 seconds, becoming S 1 foot at 2 seconds and SE 1 foot at 6 seconds. .FRI...SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 foot at 2 seconds and SE 1 foot at 6 seconds, becoming SE 2 ft at 6 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers and tstms. .SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-160215- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 912 AM EDT Wed May 15 2024 .REST OF TODAY...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 6 seconds and E 2 ft at 9 seconds. .TONIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 9 seconds, becoming S 3 ft at 6 seconds and W 2 ft at 4 seconds. .THU...W winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 6 seconds, becoming W 2 ft at 4 seconds and SE 2 ft at 6 seconds. .THU NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. .FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 1 foot at 8 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SAT...S winds 10 to 15 kt. Seas 3 ft. Showers likely with a chance of tstms. .SAT NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. .SUN NIGHT...NW winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. $$