For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 6:57 am EDT Oct 31, 2026
Forecast Valid: 7am EDT Oct 31, 2026-6pm EST Nov 6, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Today

ENE wind 9 to 14 kt increasing to 14 to 19 kt in the afternoon. Winds could gust as high as 26 kt. Partly sunny. Seas 1 ft or less.

Tonight

NE wind 13 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

NE wind 13 to 18 kt, with gusts as high as 24 kt. Mostly cloudy. Seas 1 ft or less.

Sunday Night

NE wind 11 to 15 kt, with gusts as high as 22 kt. A slight chance of showers after 2am. Seas 1 ft or less.

Monday

NE wind 11 to 16 kt, with gusts as high as 22 kt. A chance of showers, mainly after 8am. Seas 1 ft or less.

Monday Night

NE wind 10 to 13 kt, with gusts as high as 21 kt. A chance of showers, mainly before 2am. Seas 1 ft or less.

Tuesday

ENE wind 10 to 15 kt, with gusts as high as 22 kt. A slight chance of showers. Seas 1 ft or less.

Tuesday Night

ENE wind 9 to 11 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

E wind 8 to 11 kt. A chance of showers. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 69 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.