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Charleston Harbor MR

[NOTICE]

Last Update: 2:40 pm EDT Apr 6, 2026
Forecast Valid: 6pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TUESDAY NIGHT THROUGH

Tonight

NE wind 8 to 12 kt. Cloudy. Seas 1 ft or less.

Tuesday

NNE wind 10 to 14 kt, with gusts as high as 20 kt. Cloudy. Seas 1 ft or less.

Tuesday Night

NE wind 12 to 17 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

NE wind 19 to 21 kt, with gusts as high as 33 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

NE wind 16 to 18 kt, with gusts as high as 29 kt. A slight chance of showers after 2am. Seas 1 ft or less.

Thursday

NE wind around 17 kt, with gusts as high as 28 kt. A chance of showers, mainly after 2pm. Seas 1 ft or less.

Thursday Night

NE wind 10 to 12 kt. A chance of showers, mainly before 8pm. Seas 1 ft or less.

Friday

ENE wind around 11 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

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

*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.