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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Jan 15, 2026
Forecast Valid: 5am EST Jan 15, 2026-6pm EST Jan 21, 2026

Today

WNW wind 11 to 14 kt, with gusts as high as 20 kt. Mostly cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

Tonight

NW wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.

Friday Night

SW wind around 8 kt. Mostly clear. Seas 1 ft or less.

Saturday

SW wind 9 to 11 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

SW wind 5 to 8 kt becoming NW after midnight. A chance of rain after 1am. Seas 1 ft or less.

Sunday

WNW wind 10 to 12 kt. A chance of rain. Seas 1 ft or less.

Sunday Night

WNW wind 7 to 10 kt. Mostly clear. Seas 1 ft or less.

M.L.King Day

WNW wind 7 to 9 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 55 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.