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Charleston Harbor MR

[NOTICE]

Last Update: 8:30 am EDT Apr 6, 2026
Forecast Valid: 9am EDT Apr 6, 2026-6pm EDT Apr 12, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

Today

NNE wind 14 to 17 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

Tonight

NE wind around 6 kt. Cloudy. Seas 1 ft or less.

Tuesday

NE wind 9 to 13 kt, with gusts as high as 20 kt. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Tuesday Night

NE wind 12 to 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

NE wind 20 to 22 kt, with gusts as high as 33 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Wednesday Night

ENE wind 16 to 19 kt, with gusts as high as 27 kt. A slight chance of showers. Seas 1 ft or less.

Thursday

NE wind around 18 kt, with gusts as high as 27 kt. A chance of showers. Seas 1 ft or less.

Thursday Night

ENE wind 9 to 13 kt. A slight chance of showers. Seas 1 ft or less.

Friday

ENE wind 10 to 12 kt. Mostly sunny. 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.