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Charleston Harbor MR

[NOTICE]

Last Update: 7:45 pm EST Dec 30, 2025
Forecast Valid: 8pm EST Dec 30, 2025-6pm EST Jan 6, 2026

Tonight

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

Wednesday

WNW wind 6 to 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

W wind 8 to 13 kt. Mostly clear. Seas 1 ft or less.

New Year's Day

W wind 7 to 11 kt. 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 9 kt in the morning. Mostly cloudy. Seas 1 ft or less.

Friday Night

WSW wind around 6 kt. A chance of showers, mainly after 1am. Seas 1 ft or less.

Saturday

SW wind 7 to 9 kt becoming NW in the afternoon. Showers. Seas 1 ft or less.

Saturday Night

NNE wind 6 to 8 kt. A chance of showers. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 56 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.