News Headlines

For More Weather Information:

Charleston Harbor MR

[NOTICE]

Last Update: 12:28 am EST Dec 28, 2025
Forecast Valid: 1am EST Dec 28, 2025-6pm EST Jan 3, 2026

Sunday

E wind around 7 kt becoming SE in the afternoon. A slight chance of showers between noon and 4pm. Seas 1 ft or less.

Sunday Night

S wind 5 to 9 kt becoming SW after midnight. Patchy dense fog between 9pm and 4am. Seas 1 ft or less.

Monday

SW wind 10 to 14 kt, with gusts as high as 21 kt. A slight chance of showers after 1pm. Seas 1 ft or less.

Monday Night

WNW wind 11 to 15 kt, with gusts as high as 22 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

NW wind 7 to 9 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming WSW 5 to 8 kt in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

W wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

New Year's Day

WSW wind around 10 kt. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 56 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.