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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Jan 12, 2026
Forecast Valid: 1am EST Jan 12, 2026-6pm EST Jan 18, 2026

Monday

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

W wind 6 to 10 kt. A chance of showers. Seas 1 ft or less.

Wednesday Night

SW wind 9 to 12 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

W wind 12 to 17 kt, with gusts as high as 23 kt. A slight chance of showers before 1pm. Seas 1 ft or less.

Thursday Night

WNW wind 15 to 18 kt decreasing to 11 to 14 kt after midnight. Mostly clear. Seas 1 ft or less.

Friday

WNW wind around 8 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 57 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.