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Charleston Harbor MR

[NOTICE]

Last Update: 7:30 pm EST Jan 11, 2026
Forecast Valid: 12am EST Jan 12, 2026-6pm EST Jan 18, 2026

Overnight

N wind around 12 kt. Mostly clear. Seas 1 ft or less.

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. Mostly 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. Partly cloudy. Seas 1 ft or less.

Wednesday

WSW wind 6 to 10 kt. A chance of showers, mainly after 1pm. Seas 1 ft or less.

Wednesday Night

WSW wind 9 to 12 kt. A slight chance of showers. Seas 1 ft or less.

Thursday

W wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 24 kt. A slight chance of showers. Seas 1 ft or less.

Thursday Night

WNW wind 17 to 20 kt decreasing to 11 to 14 kt after midnight. Mostly clear. 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.