For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 6:33 pm EST Jan 17, 2026
Forecast Valid: 7pm EST Jan 17, 2026-6pm EST Jan 24, 2026

Tonight

Variable winds less than 5 kt becoming NNW 5 to 7 kt after midnight. A chance of showers, mainly after 5am. Seas 1 ft or less.

Sunday

NNW wind 8 to 11 kt becoming WNW in the afternoon. Showers, mainly before 3pm. Seas 1 ft or less.

Sunday Night

WNW wind around 9 kt. Mostly clear. Seas 1 ft or less.

M.L.King Day

W wind around 8 kt. Sunny. Seas 1 ft or less.

Monday Night

W wind around 6 kt. Mostly clear. Seas 1 ft or less.

Tuesday

NNW wind around 7 kt becoming NNE in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

Variable winds less than 5 kt becoming NE around 6 kt in the evening. Partly cloudy. Seas 1 ft or less.

Wednesday

NE wind around 6 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

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

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 54 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.