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Charleston Harbor MR

[NOTICE]

Last Update: 7:33 am EST Feb 14, 2026
Forecast Valid: 10am EST Feb 14, 2026-6pm EST Feb 20, 2026

Today

E wind 5 to 7 kt. Mostly sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers after 4am. Seas 1 ft or less.

Sunday

ESE wind 5 to 8 kt becoming S 9 to 12 kt in the morning. Showers likely, then showers and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Sunday Night

S wind 7 to 10 kt becoming WNW after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Washington's Birthday

N wind 8 to 10 kt becoming NNE in the afternoon. A slight chance of showers before 1pm. Seas 1 ft or less.

Monday Night

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

Tuesday

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

Tuesday Night

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

Wednesday

SW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Mostly cloudy. 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 48 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.