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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Today
⇑SSW 8kt
< 1ft
Tonight
SSW 16kt
< 1ft
Monday
WNW 13kt
< 1ft
Monday Night
NW 12kt
< 1ft
Tuesday
N 8kt
< 1ft
Tuesday Night
W 10kt
< 1ft
Wednesday
NW 7kt
< 1ft
Wednesday Night
⇑W 12kt
< 1ft
Thursday
NNW 12kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:38 am EST Jan 25, 2026
Forecast Valid: 10am EST Jan 25, 2026-6pm EST Jan 31, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. A slight chance of rain between noon and 1pm. Patchy dense fog before 11am. Seas 1 ft or less.

Tonight

SSW wind 12 to 16 kt becoming WSW after midnight. Winds could gust as high as 22 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Seas 1 ft or less.

Monday

WNW wind around 13 kt, with gusts as high as 20 kt. Showers likely, mainly before 7am. Seas 1 ft or less.

Monday Night

NW wind 10 to 12 kt. Mostly clear. Seas 1 ft or less.

Tuesday

N wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

W wind 7 to 10 kt. Mostly clear. Seas 1 ft or less.

Wednesday

NW wind 5 to 7 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

W wind 6 to 9 kt increasing to 9 to 12 kt after midnight. Mostly clear. Seas 1 ft or less.

Thursday

NNW wind 9 to 12 kt. 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 51 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.