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Charleston Harbor MR

[NOTICE]

Last Update: 8:32 am EDT Oct 28, 2026
Forecast Valid: 8am EDT Oct 28, 2026-6pm EST Nov 3, 2026

Today

NE wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.

Tonight

NE wind 11 to 13 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

NNE wind 11 to 13 kt. Partly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

NNE wind around 9 kt becoming ENE in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

NE wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

Saturday

ENE wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. Mostly cloudy. Seas 1 ft or less.

Saturday Night

ENE wind 11 to 16 kt, with gusts as high as 24 kt. A slight chance of showers. Seas 1 ft or less.

Sunday

E wind 11 to 15 kt, with gusts as high as 22 kt. A chance of showers. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 67 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.