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Charleston Harbor MR

[NOTICE]

Last Update: 7:32 am EST Nov 22, 2025
Forecast Valid: 9am EST Nov 22, 2025-6pm EST Nov 28, 2025

Today

WSW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Tonight

SW wind 5 to 7 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

N wind around 6 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

ENE wind 7 to 10 kt. Sunny. Seas 1 ft or less.

Monday Night

ENE wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

ESE wind 5 to 7 kt becoming SSE in the afternoon. A slight chance of showers before 1pm. Seas 1 ft or less.

Tuesday Night

SSE wind around 6 kt becoming SSW after midnight. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Wednesday

SW wind 5 to 9 kt. Partly 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 63 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.