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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Feb 19, 2026
Forecast Valid: 2am EST Feb 19, 2026-6pm EST Feb 25, 2026

Thursday

SSW wind 6 to 11 kt. A chance of showers, mainly before noon. Seas 1 ft or less.

Thursday Night

SW wind around 11 kt. Mostly cloudy. Seas 1 ft or less.

Friday

SW wind 12 to 14 kt, with gusts as high as 21 kt. Showers likely, mainly after 1pm. Seas 1 ft or less.

Friday Night

SW wind 5 to 7 kt. A chance of showers, with thunderstorms also possible after 4am. Seas 1 ft or less.

Saturday

SW wind 5 to 9 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Saturday Night

WSW wind around 6 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

W wind 10 to 15 kt, with gusts as high as 22 kt. A chance of showers, mainly before 1pm. Seas 1 ft or less.

Sunday Night

NW wind around 15 kt. Mostly clear. Seas 1 ft or less.

Monday

NW wind around 13 kt. Sunny. 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 52 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.