Last Update: 440 PM EST Thu Feb 12 2026

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast


Tonight
E winds 5 kt early this evening, becoming light and variable, then becoming NE 5 kt after midnight.
Fri
NE winds 10 kt, becoming E in the afternoon.
Fri Night
E winds 5 kt.
Sat
E winds 5 kt.
Sat Night
SE winds 5 kt. A slight chance of showers after midnight.
Sun
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt in the afternoon. Showers.
Sun Night
SW winds 10 to 15 kt. Showers with a slight chance of tstms.
Mon
N winds 10 kt. A chance of showers.
Mon Night
N winds 5 kt. A slight chance of showers.
Tue
NE winds 5 kt.
Tue Night
E winds 5 kt.

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less.

charleston harbor water temperature 49 degrees.




Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 49 degrees.
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440 PM EST Thu Feb 12 2026
 
 

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