Last Update: 617 PM EDT Fri Mar 13 2026
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Charleston Harbor MR
Marine Zone Forecast
Tonight
SE winds 5 kt, becoming W late.
Sat
Light and variable winds, becoming SE 5 kt in the afternoon.
Sat Night
E winds 5 kt. A slight chance of showers after midnight.
Sun
E winds 5 to 10 kt. Showers likely. A slight chance of tstms in the afternoon.
Sun Night
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt after midnight. Showers likely with a chance of tstms.
Mon
SW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. A chance of tstms. Showers.
Mon Night
W winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. Showers with a chance of tstms in the evening, then a slight chance of showers after midnight.
Tue
NW winds 10 to 15 kt.
Tue Night
N winds 5 to 10 kt.
Wed
NE winds 10 kt.
Wed Night
NE winds 5 kt.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 61 degrees.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 61 degrees.
Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 61 degrees.
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