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Charleston Harbor MR

[NOTICE]

Last Update: 7:32 am EST Nov 30, 2025
Forecast Valid: 7am EST Nov 30, 2025-6pm EST Dec 6, 2025

Today

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

Tonight

Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Monday

NNE wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.

Monday Night

NE wind 8 to 10 kt becoming SE after midnight. Showers, with thunderstorms also possible after 4am. Seas 1 ft or less.

Tuesday

S wind 8 to 11 kt becoming W in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday Night

WNW wind 7 to 9 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

NNE wind 6 to 8 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. 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 60 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.