For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 4:11 pm EST Feb 11, 2026
Forecast Valid: 4pm EST Feb 11, 2026-6pm EST Feb 18, 2026

Late Afternoon

WSW wind around 10 kt. Showers, mainly after 5pm. Seas 1 ft or less.

Tonight

Variable winds less than 5 kt becoming NNE 5 to 8 kt after midnight. Showers likely, mainly before 9pm. Seas 1 ft or less.

Thursday

NNE wind 5 to 9 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

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

Friday

NNE wind 7 to 9 kt becoming ENE in the afternoon. Mostly 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 E around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming SE around 6 kt after midnight. A chance of showers. Seas 1 ft or less.

Sunday

SSE wind 10 to 14 kt becoming S in the afternoon. Winds could gust as high as 21 kt. Showers and possibly a thunderstorm. 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 47 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.