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Charleston Harbor MR

[NOTICE]

Last Update: 11:52 am EST Jan 13, 2026
Forecast Valid: 1pm EST Jan 13, 2026-6pm EST Jan 19, 2026

This Afternoon

Variable winds less than 5 kt becoming SSW 5 to 7 kt. Sunny. Seas 1 ft or less.

Tonight

WSW wind around 6 kt. Increasing clouds. Seas 1 ft or less.

Wednesday

WSW wind 6 to 10 kt. A chance of showers, mainly between 3pm and 4pm. Seas 1 ft or less.

Wednesday Night

WSW wind 10 to 12 kt becoming W after midnight. A slight chance of showers after 1am. Seas 1 ft or less.

Thursday

NNW wind 11 to 13 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NW wind 6 to 10 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

WSW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

SW wind 10 to 12 kt. Mostly sunny. 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.