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Charleston Harbor MR

[NOTICE]

Last Update: 8:58 am EST Jan 27, 2026
Forecast Valid: 12pm EST Jan 27, 2026-6pm EST Feb 2, 2026

This Afternoon

WNW wind 5 to 9 kt becoming WSW. Sunny. Seas 1 ft or less.

Tonight

W wind 8 to 11 kt. Increasing clouds. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Wednesday Night

W wind 6 to 10 kt. Mostly clear. Seas 1 ft or less.

Thursday

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

Friday Night

NNE wind 6 to 9 kt increasing to 11 to 14 kt after midnight. A chance of showers. Seas 1 ft or less.

Saturday

N wind 17 to 19 kt, with gusts as high as 26 kt. Rain and snow showers likely before 1pm, then a chance of snow showers. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 49 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.