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Charleston Harbor MR

[NOTICE]

Last Update: 1:33 am EST Feb 5, 2026
Forecast Valid: 2am EST Feb 5, 2026-6pm EST Feb 11, 2026

Thursday

NW wind 6 to 11 kt becoming N in the morning. A chance of rain, mainly between 11am and 1pm. Patchy fog before 9am. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 9 kt becoming WNW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Friday

W wind 6 to 11 kt. Sunny. Seas 1 ft or less.

Friday Night

W wind 10 to 12 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

Saturday

NNW wind 11 to 13 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

NNE wind 5 to 8 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Monday

W wind 5 to 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 46 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.