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Charleston Harbor MR

[NOTICE]

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

Tonight

Variable winds less than 5 kt becoming N 5 to 8 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Monday

NNE wind around 12 kt becoming ENE in the afternoon. A slight chance of showers after 3pm. Seas 1 ft or less.

Monday Night

NE wind 7 to 11 kt becoming SSE after midnight. Showers, with thunderstorms also possible after 4am. Seas 1 ft or less.

Tuesday

SSW wind 10 to 13 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers. Seas 1 ft or less.

Tuesday Night

WNW wind around 9 kt becoming N after midnight. A slight chance of showers before 1am. Seas 1 ft or less.

Wednesday

NNE wind 5 to 9 kt. 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 W around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming NNE 5 to 7 kt after midnight. Mostly cloudy. 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.