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Charleston Harbor MR

[NOTICE]

Last Update: 7:33 am EST Feb 3, 2026
Forecast Valid: 10am EST Feb 3, 2026-6pm EST Feb 9, 2026

Today

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

Tonight

SSW wind around 8 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

SW wind 7 to 10 kt. Showers likely, mainly after 1pm. Seas 1 ft or less.

Wednesday Night

Variable winds less than 5 kt becoming NW 5 to 8 kt after midnight. Showers, mainly before 1am. Seas 1 ft or less.

Thursday

NNW wind 10 to 12 kt. A chance of showers, mainly before 1pm. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Friday

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

Friday Night

W wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.

Saturday

NW wind around 7 kt becoming N 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.