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Charleston Harbor MR

[NOTICE]

Last Update: 5:42 pm EST Feb 27, 2026
Forecast Valid: 6pm EST Feb 27, 2026-6pm EST Mar 6, 2026

Tonight

Variable winds less than 5 kt becoming N around 6 kt in the evening. A chance of showers, mainly before 7pm. Patchy fog. Seas 1 ft or less.

Saturday

N wind around 7 kt. Patchy fog before 8am. 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. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming NNE 5 to 8 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Monday

NE wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

NE wind 12 to 17 kt. A slight chance of showers after 1am. Seas 1 ft or less.

Tuesday

NE wind 8 to 11 kt becoming E in the afternoon. A slight chance of showers. Seas 1 ft or less.

Tuesday Night

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

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.