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Charleston Harbor MR

[NOTICE]

Last Update: 2:30 am EDT Oct 18, 2026
Forecast Valid: 3am EDT Oct 18, 2026-6pm EDT Oct 24, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Sunday

NNE wind around 20 kt, with gusts as high as 29 kt. Sunny. Seas 1 ft or less.

Sunday Night

NNE wind 15 to 17 kt, with gusts as high as 24 kt. Mostly clear. Seas 1 ft or less.

Monday

N wind 12 to 14 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

NNE wind 7 to 9 kt. Clear. Seas 1 ft or less.

Wednesday

N wind 9 to 11 kt. Sunny. Seas 1 ft or less.

Wednesday Night

NNE wind around 7 kt. Clear. Seas 1 ft or less.

Thursday

NNE wind around 9 kt. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 76 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.