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Charleston Harbor MR

[NOTICE]

Last Update: 1:30 pm EST Mar 2, 2026
Forecast Valid: 4pm EST Mar 2, 2026-6pm EDT Mar 9, 2026

Tonight

NE wind 9 to 11 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

NE wind around 9 kt becoming E in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Friday Night

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

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 55 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.