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Charleston Harbor MR

[NOTICE]

Last Update: 8:47 pm EST Jan 8, 2026
Forecast Valid: 10pm EST Jan 8, 2026-6pm EST Jan 15, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EST FRIDAY...

Tonight

Variable winds 5 kt or less. Patchy dense fog. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Areas of dense fog before 1pm. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers after 1am. Patchy fog. Seas 1 ft or less.

Saturday

SSW wind 6 to 11 kt. Areas of fog before 9am. Seas 1 ft or less.

Saturday Night

SSW wind around 10 kt. A chance of showers, mainly after 1am. Seas 1 ft or less.

Sunday

W wind 9 to 12 kt becoming WNW 12 to 15 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

Sunday Night

NW wind 12 to 16 kt becoming N after midnight. Winds could gust as high as 22 kt. Partly cloudy. Seas 1 ft or less.

Monday

N wind 8 to 11 kt becoming ENE 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. 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.