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Charleston Harbor MR

[NOTICE]

Last Update: 12:43 pm EST Feb 4, 2026
Forecast Valid: 1pm EST Feb 4, 2026-6pm EST Feb 10, 2026

This Afternoon

SW wind around 9 kt. Showers likely, mainly after 5pm. Seas 1 ft or less.

Tonight

SSW wind around 6 kt becoming W after midnight. Showers, mainly before 2am. Seas 1 ft or less.

Thursday

NNW wind 7 to 11 kt. A chance of showers, mainly before 9am. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Friday

WSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

NNE wind 5 to 7 kt becoming S 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.