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Charleston Harbor MR

[NOTICE]

Last Update: 9:30 pm EDT Sep 25, 2026
Forecast Valid: 10pm EDT Sep 25, 2026-6pm EDT Oct 2, 2026

Tonight

N wind around 7 kt. Clear. Seas 1 ft or less.

Saturday

N wind around 8 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 less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

SW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Monday

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

Monday Night

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

Tuesday

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

Tuesday Night

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

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 78 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.