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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Feb 8, 2026
Forecast Valid: 2am EST Feb 8, 2026-6pm EST Feb 14, 2026

Sunday

NNE wind 19 to 24 km/h becoming NE 11 to 16 km/h in the afternoon. Winds could gust as high as 34 km/h. Sunny. Seas 1 m or less.

Sunday Night

E wind 5 to 10 km/h becoming NE after midnight. Mostly cloudy. Seas 1 m or less.

Monday

NE wind 11 to 13 km/h becoming E in the afternoon. Mostly sunny. Seas 1 m or less.

Monday Night

Variable winds 5 km/h or less. Mostly clear. Seas 1 m or less.

Tuesday

SW wind 8 to 11 km/h increasing to 13 to 16 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

Tuesday Night

SW wind around 14 km/h. Mostly cloudy. Seas 1 m or less.

Wednesday

WSW wind 14 to 16 km/h. A chance of showers, mainly after 1pm. Seas 1 m or less.

Wednesday Night

WSW wind 10 to 13 km/h becoming NNE after midnight. A chance of showers. Seas 1 m or less.

Thursday

NNE wind around 14 km/h becoming ENE in the afternoon. A slight chance of showers. Seas 1 m or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 47 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.