Last Update: 539 AM EDT Sun Sep 6 2026

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast


Today
NW winds 5 kt, becoming E early this afternoon, then increasing to 10 kt late. A slight chance of showers and tstms early this afternoon. A chance of showers and tstms late.
Tonight
E winds 5 to 10 kt. A chance of tstms. Showers likely.
Mon
NE winds 10 to 15 kt, becoming E 15 to 20 kt in the afternoon. Waves 1 to 2 ft. A chance of tstms. Showers.
Mon Night
E winds 15 to 20 kt, becoming NE 10 to 15 kt after midnight. Waves 1 to 2 ft. Showers likely. A chance of tstms, mainly in the evening.
Tue
E winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.
Tue Night
E winds 10 to 15 kt. A slight chance of tstms. Showers likely, mainly in the evening.
Wed
E winds 5 to 10 kt. A chance of showers with a slight chance of tstms.
Wed Night
SE winds 5 to 10 kt.
Thu
SW winds 5 to 10 kt. A chance of showers and tstms.
Thu Night
SW 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 86 degrees.




Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 86 degrees.
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539 AM EDT Sun Sep 6 2026
 
 

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