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Charleston Harbor MR

[NOTICE]

Last Update: 4:42 am EDT Oct 19, 2026
Forecast Valid: 5am EDT Oct 19, 2026-6pm EDT Oct 25, 2026

Today

N wind 11 to 14 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Tonight

N wind 8 to 10 kt. Clear. Seas 1 ft or less.

Tuesday

N wind around 11 kt. Sunny. Seas 1 ft or less.

Tuesday Night

NNE wind around 9 kt. Clear. Seas 1 ft or less.

Wednesday

NNE wind 8 to 11 kt. Sunny. Seas 1 ft or less.

Wednesday Night

N wind around 6 kt. Clear. Seas 1 ft or less.

Thursday

NNE wind 6 to 8 kt. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming NNE 5 to 7 kt after midnight. Clear. Seas 1 ft or less.

Friday

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

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 73 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.