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Charleston Harbor MR

[NOTICE]

Last Update: 2:35 pm EDT Oct 20, 2026
Forecast Valid: 6pm EDT Oct 20, 2026-6pm EDT Oct 27, 2026

Tonight

NNE wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Wednesday

N wind 7 to 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Thursday

NNE wind around 6 kt. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming NNE around 6 kt after midnight. Clear. Seas 1 ft or less.

Friday

NE wind 9 to 14 kt. Sunny. Seas 1 ft or less.

Friday Night

NNE wind 11 to 14 kt, with gusts as high as 22 kt. Mostly clear. Seas 1 ft or less.

Saturday

NNE wind 16 to 21 kt, with gusts as high as 27 kt. Sunny. Seas 1 ft or less.

Saturday Night

NE wind 16 to 19 kt, with gusts as high as 27 kt. Mostly clear. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 71 degrees.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.