Last Update: 140 PM EDT Fri Sep 26 2025

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast


This Afternoon
S winds 5 to 10 kt. A chance of showers and tstms.
Tonight
S winds 5 to 10 kt. A chance of showers and tstms.
Sat
SE winds 5 to 10 kt. A chance of tstms. Showers.
Sat Night
SE winds 5 kt. A chance of showers and tstms.
Sun
NE winds 5 to 10 kt, becoming E in the afternoon. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon.
Sun Night
NE winds 10 to 15 kt. Showers likely with a chance of tstms.
Mon
NE winds 20 to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms.
Mon Night
NW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Tue
NW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers and tstms.
Tue Night
N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers with a slight chance of tstms.

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less.

charleston harbor water temperature 81 degrees.




Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 81 degrees.
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140 PM EDT Fri Sep 26 2025
 
 

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