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Charleston Harbor MR

[NOTICE]

Last Update: 7:30 am EST Nov 3, 2026
Forecast Valid: 10am EST Nov 3, 2026-6pm EST Nov 9, 2026

Today

ENE wind 12 to 14 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Tonight

ENE wind 6 to 11 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

ENE wind 6 to 8 kt becoming ESE in the morning. Partly sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. 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 69 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.