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Charleston Harbor MR

[NOTICE]

Last Update: 1:15 am EST Nov 15, 2026
Forecast Valid: 8am EST Nov 15, 2026-6pm EST Nov 21, 2026

Today

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

Tonight

Variable winds less than 5 kt becoming NNE 5 to 8 kt in the evening. Mostly clear. Seas 1 ft or less.

Monday

NE wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NNE wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

NNE wind around 12 kt. Sunny. Seas 1 ft or less.

Tuesday Night

NNE wind around 10 kt. Mostly clear. Seas 1 ft or less.

Wednesday

NE wind 10 to 12 kt. Sunny. Seas 1 ft or less.

Wednesday Night

NNE wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

Thursday

NNE wind 9 to 12 kt. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 68 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.