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Charleston Harbor MR

[NOTICE]

Last Update: 12:41 am EST Nov 20, 2025
Forecast Valid: 1am EST Nov 20, 2025-6pm EST Nov 26, 2025

Thursday

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

Thursday Night

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

Friday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Friday Night

SSW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Saturday

WSW wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

SW wind around 6 kt becoming N after midnight. Partly cloudy. Seas 1 ft or less.

Sunday

NNE wind around 8 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

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

Monday

NE wind 5 to 8 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 62 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.