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Charleston Harbor MR

[NOTICE]

Last Update: 7:50 pm EDT May 23, 2026
Forecast Valid: 8pm EDT May 23, 2026-6pm EDT May 30, 2026

Tonight

SSE wind around 6 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. Showers and thunderstorms likely, mainly before 2pm. Seas 1 ft or less.

Sunday Night

S wind 6 to 8 kt. A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Seas 1 ft or less.

Memorial Day

S wind 6 to 11 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Seas 1 ft or less.

Monday Night

S wind around 8 kt. A slight chance of showers after 2am. Seas 1 ft or less.

Tuesday

S wind 7 to 11 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Seas 1 ft or less.

Tuesday Night

S wind 6 to 8 kt. A slight chance of showers after 2am. Seas 1 ft or less.

Wednesday

SSW wind 6 to 11 kt. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.

Wednesday Night

SW wind 6 to 9 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.

Winds and waves higher in and near tstms.

*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.