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Charleston Harbor MR

[NOTICE]

Last Update: 6:38 pm EST Feb 2, 2026
Forecast Valid: 7pm EST Feb 2, 2026-6pm EST Feb 9, 2026

Tonight

W wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.

Tuesday

W wind 6 to 10 kt becoming SSW in the afternoon. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SSW wind around 10 kt. A slight chance of showers after 1am. Seas 1 ft or less.

Wednesday

SW wind 8 to 10 kt. Showers, mainly after 1pm. Seas 1 ft or less.

Wednesday Night

SW wind 5 to 8 kt becoming NNW after midnight. Showers likely, mainly before 1am. Seas 1 ft or less.

Thursday

N wind around 10 kt. A slight chance of showers before 1pm. Seas 1 ft or less.

Thursday Night

NNW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Friday

W wind 6 to 9 kt becoming WSW 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

WSW wind 9 to 12 kt becoming WNW after midnight. Mostly clear. 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.