Coastal Waters Forecast
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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559 FZUS52 KCHS 271920 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 320 PM EDT Mon May 27 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 AMZ300-280815- 320 PM EDT Mon May 27 2024 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will move into the region tonight, then stall nearby through the middle of the week. High pressure will return for the second half of this week. $$ AMZ330-280815- Charleston Harbor- 320 PM EDT Mon May 27 2024 ...SEVERE THUNDERSTORM WATCH 334 IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...SW winds 15 to 20 kt early, diminishing to 10 kt. Showers and tstms likely late this evening. A chance of showers and tstms after midnight. Some tstms may be severe with damaging winds and large hail. .TUE...W winds 10 kt. A slight chance of tstms. A slight chance of showers. .TUE NIGHT...W winds 5 to 10 kt. .WED...NW winds 10 kt, becoming W in the afternoon. .WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. .THU...N winds 10 kt, becoming NE in the afternoon. .THU NIGHT...SE winds 5 to 10 kt. .FRI...NE winds 5 to 10 kt. .FRI NIGHT...NE winds 5 to 10 kt. .SAT...E winds 5 to 10 kt. .SAT NIGHT...SE winds 5 to 10 kt. A slight chance of showers and tstms. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 80 degrees. $$ AMZ350-280815- Waters from South Santee River to Edisto Beach SC out 20 NM- 320 PM EDT Mon May 27 2024 ...SEVERE THUNDERSTORM WATCH 334 IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms early this evening, then showers and tstms likely late this evening. A chance of showers and tstms late. Some tstms may be severe with damaging winds and large hail. .TUE...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms in the morning. .TUE NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. .WED...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and N 1 foot at 2 seconds. .THU NIGHT...SE winds 5 kt. Seas 2 ft. .FRI...NE winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...NE winds 10 kt. Seas 2 to 3 ft. .SAT...NE winds 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ352-280815- Waters from Edisto Beach SC to Savannah GA out 20 NM- 320 PM EDT Mon May 27 2024 ...SEVERE THUNDERSTORM WATCH 334 IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...S winds 10 to 15 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms early this evening, then showers and tstms likely late this evening. A chance of showers and tstms late. Some tstms may be severe with damaging winds and large hail. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms in the morning. .TUE NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 4 seconds. .WED...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and N 1 foot at 3 seconds. .THU NIGHT...SE winds 5 kt. Seas 2 ft. .FRI...NE winds 5 to 10 kt. Seas 2 ft. .FRI NIGHT...E winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT...E winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ354-280815- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 320 PM EDT Mon May 27 2024 ...SEVERE THUNDERSTORM WATCH 334 IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...S winds 10 to 15 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at 8 seconds. A slight chance of showers and tstms early this evening, then showers and tstms likely late this evening. A chance of showers and tstms late. Some tstms may be severe with damaging winds and large hail. .TUE...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms in the morning. .TUE NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds. .WED...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at 2 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .THU...N winds 10 kt, becoming NE in the afternoon. Seas 2 ft. Wave Detail: NW 1 foot at 2 seconds and S 1 foot at 2 seconds. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms after midnight. .FRI...NE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$ AMZ374-280815- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 320 PM EDT Mon May 27 2024 .TONIGHT...S winds 15 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms. Some tstms may be severe with damaging winds and large hail. .TUE...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms in the morning. .TUE NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 4 seconds. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. .THU...N winds 10 kt, becoming NE in the afternoon. Seas 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 9 seconds. .THU NIGHT...SE winds 5 kt. Seas 2 ft. A slight chance of showers and tstms after midnight. .FRI...NE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. .SAT NIGHT...E winds 10 kt. Seas 4 to 5 ft. A slight chance of showers and tstms. Winds and seas higher in and near tstms. $$