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Charleston Harbor MR

[NOTICE]

Last Update: 8:31 pm EDT Apr 5, 2026
Forecast Valid: 12am EDT Apr 6, 2026-6pm EDT Apr 12, 2026

Overnight

WSW wind around 7 kt becoming N. A chance of showers, mainly between 2am and 3am. Seas 1 ft or less.

Monday

NNE wind 11 to 15 kt becoming ENE in the afternoon. Winds could gust as high as 22 kt. Mostly cloudy. Seas 1 ft or less.

Monday Night

NE wind around 6 kt. Cloudy. Seas 1 ft or less.

Tuesday

NNE wind 8 to 13 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday Night

NE wind 11 to 16 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

ENE wind around 20 kt, with gusts as high as 30 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

ENE wind 14 to 17 kt, with gusts as high as 24 kt. A slight chance of showers. Seas 1 ft or less.

Thursday

ENE wind 14 to 16 kt, with gusts as high as 23 kt. A chance of showers. Seas 1 ft or less.

Thursday Night

ENE wind 10 to 12 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 69 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.