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4NM N Charleston Harbor MR

[NOTICE]

Last Update: 8:27 pm EST Jan 9, 2026
Forecast Valid: 10pm EST Jan 9, 2026-6pm EST Jan 16, 2026

Tonight

Variable winds 5 kt or less. Widespread dense fog, mainly after 1am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Widespread fog, mainly before 9am. Seas 1 ft or less.

Saturday Night

SSW wind around 7 kt. A slight chance of showers. Seas 1 ft or less.

Sunday

WNW wind 6 to 11 kt. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Sunday Night

N wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

Monday

N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

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

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 57 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.