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Charleston Harbor MR

[NOTICE]

Last Update: 7:33 pm EST Feb 26, 2026
Forecast Valid: 11pm EST Feb 26, 2026-6pm EST Mar 5, 2026

Overnight

SSW wind 5 to 8 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. Showers. Seas 1 ft or less.

Friday Night

ENE wind 5 to 7 kt becoming variable and less than 5 kt. Showers likely. Seas 1 ft or less.

Saturday

N wind around 7 kt becoming NE in the afternoon. A chance of showers before 1pm. Seas 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

Variable winds less than 5 kt becoming NE 5 to 9 kt after midnight. Partly cloudy. Seas 1 ft or less.

Monday

NE wind 12 to 14 kt, with gusts as high as 20 kt. A chance of showers. Seas 1 ft or less.

Monday Night

NE wind around 15 kt. A 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 53 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.