For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 8:32 pm EDT Oct 24, 2026
Forecast Valid: 1am EDT Oct 25, 2026-6pm EDT Oct 31, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

Sunday

NE wind 15 to 18 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 29 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

NNE wind 13 to 18 kt, with gusts as high as 26 kt. Partly cloudy. Seas 1 ft or less.

Monday

NE wind around 13 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

NNE wind around 10 kt. Sunny. Seas 1 ft or less.

Tuesday Night

NE wind around 9 kt. Mostly clear. Seas 1 ft or less.

Wednesday

NE wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

NE wind 13 to 16 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 ft or less.

Thursday

NE wind 12 to 16 kt. Mostly sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 68 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.