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Charleston Harbor MR

[NOTICE]

Last Update: 3:58 am EST Feb 4, 2026
Forecast Valid: 4am EST Feb 4, 2026-6pm EST Feb 10, 2026

Wednesday

SW wind 7 to 10 kt. Rain likely, mainly after 5pm. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Rain, mainly before 4am. Seas 1 ft or less.

Thursday

N wind 8 to 11 kt. A chance of rain, mainly after 1pm. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. 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

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

Saturday

NW wind around 9 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

NNE wind around 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.