For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 1:30 am EST Nov 6, 2026
Forecast Valid: 2am EST Nov 6, 2026-6pm EST Nov 12, 2026

Friday

SSW wind 5 to 9 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming N around 6 kt after midnight. Cloudy during the early evening, then gradual clearing. Seas 1 ft or less.

Saturday

NNE wind 6 to 9 kt. Sunny. Seas 1 ft or less.

Saturday Night

NNE wind around 7 kt. Partly cloudy. Seas 1 ft or less.

Sunday

NNE wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. 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 SW 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 71 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.