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Charleston Harbor MR

[NOTICE]

Last Update: 8:55 pm EDT Sep 24, 2026
Forecast Valid: 12am EDT Sep 25, 2026-6pm EDT Oct 1, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

Overnight

N wind 13 to 15 kt, with gusts as high as 22 kt. Partly cloudy. Seas 1 ft or less.

Friday

N wind 11 to 14 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Friday Night

N wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

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

Monday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

S wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. 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.