AMZ300-211100-
539 PM EDT Sun Sep 20 2026
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will push through the area mid-week. High pressure
will prevail thereafter.
$$
AMZ340-211100- Charleston Harbor- 539 PM EDT Sun Sep 20 2026 TONIGHT E winds 5 to 10 kt until early morning, becoming light and variable. A slight chance of showers and tstms late. MON NE winds 5 kt, becoming E in the afternoon. MON NIGHT E winds 5 kt. A chance of showers with a slight chance of tstms after midnight. TUE N winds 5 kt, becoming E in the afternoon. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. TUE NIGHT E winds 5 to 10 kt, becoming NE after midnight. A chance of showers. A chance of tstms, mainly in the evening. WED NE winds 10 to 15 kt. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon. WED NIGHT NE winds 10 to 15 kt with gusts to 20 kt. Showers likely with a chance of tstms in the evening, then a slight chance of showers and tstms after midnight. THU N winds 15 kt. A chance of showers and tstms. THU NIGHT N winds 10 to 15 kt. A slight chance of showers and tstms. FRI N winds 10 to 15 kt. FRI NIGHT N winds 5 to 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 84 degrees. $$
AMZ340-211100- Charleston Harbor- 539 PM EDT Sun Sep 20 2026 TONIGHT E winds 5 to 10 kt until early morning, becoming light and variable. A slight chance of showers and tstms late. MON NE winds 5 kt, becoming E in the afternoon. MON NIGHT E winds 5 kt. A chance of showers with a slight chance of tstms after midnight. TUE N winds 5 kt, becoming E in the afternoon. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon. TUE NIGHT E winds 5 to 10 kt, becoming NE after midnight. A chance of showers. A chance of tstms, mainly in the evening. WED NE winds 10 to 15 kt. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon. WED NIGHT NE winds 10 to 15 kt with gusts to 20 kt. Showers likely with a chance of tstms in the evening, then a slight chance of showers and tstms after midnight. THU N winds 15 kt. A chance of showers and tstms. THU NIGHT N winds 10 to 15 kt. A slight chance of showers and tstms. FRI N winds 10 to 15 kt. FRI NIGHT N winds 5 to 10 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 84 degrees. $$