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Charleston Harbor MR

[NOTICE]

Last Update: 6:45 pm EDT Apr 24, 2026
Forecast Valid: 7pm EDT Apr 24, 2026-6pm EDT May 1, 2026

Tonight

SSW wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

Saturday

SW wind 5 to 8 kt becoming S 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

SSW wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Sunday

W wind 6 to 8 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Seas 1 ft or less.

Sunday Night

NNE wind 8 to 12 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday

NNE wind 10 to 13 kt. A slight chance of showers before 8am. Seas 1 ft or less.

Monday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

NNE wind 5 to 7 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. 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.