Last Update: 539 PM EDT Thu Oct 15 2026

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast


Tonight
SW winds 5 to 10 kt.
Fri
W winds 5 kt, becoming SW 10 to 15 kt in the afternoon. Patchy fog in the morning.
Fri Night
SW winds 10 kt.
Sat
N winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. A chance of showers.
Sat Night
N winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. A chance of showers in the evening.
Sun
N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Sun Night
NE winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft.
Mon
NE winds 15 to 20 kt. Waves 1 to 2 ft.
Mon Night
NE winds 15 to 20 kt. Waves 1 to 2 ft.
Tue
N winds 15 kt.
Tue Night
N winds 10 to 15 kt.

unless otherwise noted, waves 1 foot or less.

charleston harbor water temperature 78 degrees.




Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 78 degrees.
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539 PM EDT Thu Oct 15 2026
 
 

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