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Charleston Harbor MR

[NOTICE]

Last Update: 7:32 pm EST Nov 10, 2026
Forecast Valid: 11pm EST Nov 10, 2026-6pm EST Nov 17, 2026

Overnight

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

Veterans Day

Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Sunny, then becoming mostly cloudy during the afternoon. Seas 1 ft or less.

Wednesday Night

WSW wind around 9 kt. Cloudy during the early evening, then gradual clearing. Seas 1 ft or less.

Thursday

WSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 22 kt. Sunny. Seas 1 ft or less.

Thursday Night

WNW wind around 11 kt. Mostly clear. Seas 1 ft or less.

Friday

NW wind 9 to 13 kt. Sunny. Seas 1 ft or less.

Friday Night

WNW wind around 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

NNW wind around 9 kt. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. Clear. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 71 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.