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Charleston Harbor MR

[NOTICE]

Last Update: 7:32 am EST Jan 21, 2026
Forecast Valid: 11am EST Jan 21, 2026-6pm EST Jan 27, 2026

Today

NE wind around 6 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. A slight chance of showers. Seas 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming NNE 8 to 13 kt in the evening. A slight chance of showers. Seas 1 ft or less.

Saturday

NE wind around 15 kt, with gusts as high as 21 kt. A chance of rain. Seas 1 ft or less.

Saturday Night

NE wind 12 to 15 kt. Rain. Seas 1 ft or less.

Sunday

N wind 10 to 12 kt. Rain. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 51 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.