Last Update: 1249 PM EDT Wed May 21 2025

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

This Afternoon
W winds 15 kt with gusts to 25 kt. A slight chance of showers and tstms.
Tonight
NW winds 10 to 15 kt with gusts to 30 kt.
Thu
NW winds 10 kt, becoming W in the afternoon.
Thu Night
W winds 10 to 15 kt.
Fri
NW winds 5 to 10 kt, becoming W in the afternoon.
Fri Night
W winds 5 to 10 kt, becoming N after midnight.
Sat
NE winds 5 to 10 kt.
Sat Night
SE winds 5 kt.
Sun
S winds 5 to 10 kt.
Sun Night
S winds 10 kt. A slight chance of showers.

winds and waves higher in and near tstms.

unless otherwise noted, waves 1 foot or less.

charleston harbor water temperature 78 degrees.




Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 78 degrees.
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1249 PM EDT Wed May 21 2025
 
 

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