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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Jan 14, 2026
Forecast Valid: 1am EST Jan 14, 2026-6pm EST Jan 20, 2026

Wednesday

W wind 5 to 9 kt. A chance of showers before 4pm, then a slight chance of showers after 5pm. Seas 1 ft or less.

Wednesday Night

WSW wind 10 to 12 kt. A slight chance of showers between 3am and 4am. Seas 1 ft or less.

Thursday

NW wind around 12 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Thursday Night

NW wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Mostly clear. Seas 1 ft or less.

Friday

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

Friday Night

SW wind 8 to 11 kt. Mostly clear. Seas 1 ft or less.

Saturday

SW wind around 12 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

WSW wind 7 to 10 kt becoming NW after midnight. Mostly cloudy. Seas 1 ft or less.

Sunday

NW wind around 11 kt. A slight chance of rain. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 56 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.