For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 1:30 pm EST Feb 12, 2026
Forecast Valid: 7pm EST Feb 12, 2026-6pm EST Feb 19, 2026

Tonight

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Friday

NNE wind 7 to 9 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers after 1am. Seas 1 ft or less.

Sunday

S wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Showers. Seas 1 ft or less.

Sunday Night

S wind 7 to 12 kt becoming SW after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Washington's Birthday

WNW wind around 8 kt becoming NNE in the afternoon. A chance of showers. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 49 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.