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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Feb 11, 2026
Forecast Valid: 4am EST Feb 11, 2026-6pm EST Feb 17, 2026

Wednesday

WSW wind 11 to 14 kt. Showers. Seas 1 ft or less.

Wednesday Night

WNW wind 5 to 8 kt becoming N after midnight. Showers, mainly before 7pm. Seas 1 ft or less.

Thursday

NNE wind 5 to 8 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Friday

NNE wind around 8 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Saturday

E wind 5 to 7 kt. A slight chance of showers after 1pm. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming E 5 to 7 kt in the evening. A chance of showers. Seas 1 ft or less.

Sunday

ESE wind 10 to 15 kt becoming S in the afternoon. Showers. Seas 1 ft 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.