For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 7:32 pm EST Nov 18, 2025
Forecast Valid: 12am EST Nov 19, 2025-6pm EST Nov 25, 2025

Overnight

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

Wednesday

WSW wind 5 to 8 kt. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

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

Friday Night

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

Saturday

WSW wind 6 to 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

SW wind 6 to 8 kt becoming W after midnight. Partly cloudy. 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.