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Charleston Harbor MR

[NOTICE]

Last Update: 2:30 pm EDT Mar 30, 2026
Forecast Valid: 6pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026

Tonight

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. 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 SSE 5 to 8 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 ESE 5 to 10 kt in the afternoon. A slight chance of showers. Seas 1 ft or less.

Thursday Night

SE wind around 6 kt. Partly cloudy. Seas 1 ft or less.

Friday

SE wind 5 to 9 kt. A slight chance of showers. Seas 1 ft or less.

Friday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 64 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.