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Charleston Harbor MR

[NOTICE]

Last Update: 3:37 pm EDT Oct 29, 2026
Forecast Valid: 4pm EDT Oct 29, 2026-6pm EST Nov 5, 2026

Tonight

ENE wind 6 to 9 kt becoming NNE after midnight. Mostly clear. Seas 1 ft or less.

Friday

NNE wind 10 to 12 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

E wind around 8 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

ENE wind 13 to 16 kt increasing to 16 to 19 kt in the afternoon. Winds could gust as high as 26 kt. Partly sunny. Seas 1 ft or less.

Saturday Night

NE wind 15 to 17 kt, with gusts as high as 26 kt. Cloudy. Seas 1 ft or less.

Sunday

ENE wind 16 to 20 kt, with gusts as high as 26 kt. Mostly cloudy. Seas 1 ft or less.

Sunday Night

NE wind 11 to 15 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 1 ft or less.

Monday

ENE wind 11 to 16 kt, with gusts as high as 22 kt. A slight chance of showers. Seas 1 ft or less.

Monday Night

NE wind 10 to 13 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 68 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.