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Charleston Harbor MR

[NOTICE]

Last Update: 8:31 am EDT Apr 8, 2026
Forecast Valid: 11am EDT Apr 8, 2026-6pm EDT Apr 14, 2026

...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

Today

NE wind 20 to 22 kt, with gusts as high as 33 kt. Partly sunny. Seas 1 ft or less.

Tonight

NE wind 16 to 19 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

NNE wind 15 to 17 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NE wind 9 to 13 kt. Mostly clear. Seas 1 ft or less.

Friday

NNE wind around 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the morning. Sunny. Seas 1 ft or less.

*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.