For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 7:32 pm EST Jan 16, 2026
Forecast Valid: 12am EST Jan 17, 2026-6pm EST Jan 23, 2026

Overnight

SSW wind around 7 kt. Mostly clear. Seas 1 ft or less.

Saturday

SSW wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

WNW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Showers. Seas 1 ft or less.

Sunday Night

WNW wind 7 to 12 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 6 to 8 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

N wind 6 to 8 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. 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.