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Charleston Harbor MR

[NOTICE]

Last Update: 8:32 am EST Nov 4, 2026
Forecast Valid: 11am EST Nov 4, 2026-6pm EST Nov 10, 2026

Today

ESE wind around 8 kt. Mostly sunny. Seas 1 ft or less.

Tonight

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

Thursday

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

Thursday Night

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

Friday

Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. A chance of showers, mainly after 1pm. Seas 1 ft or less.

Friday Night

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

Saturday

N wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 69 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.