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Charleston Harbor MR

[NOTICE]

Last Update: 2:40 pm EDT Oct 17, 2026
Forecast Valid: 3pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

This Afternoon

N wind around 21 kt, with gusts as high as 28 kt. A slight chance of showers. Seas 1 ft or less.

Tonight

NNE wind 17 to 19 kt, with gusts as high as 30 kt. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.

Sunday

NNE wind around 17 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Sunday Night

NNE wind 13 to 16 kt, with gusts as high as 23 kt. Mostly clear. Seas 1 ft or less.

Monday

N wind around 13 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Monday Night

N wind around 10 kt. Mostly clear. Seas 1 ft or less.

Tuesday

N wind around 11 kt. Sunny. Seas 1 ft or less.

Tuesday Night

N wind around 8 kt. Mostly clear. Seas 1 ft or less.

Wednesday

N wind around 11 kt. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 77 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.