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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Overnight
NW 6kt
< 1ft
Friday
⇑W 16kt
< 1ft
Friday Night
W 20kt
< 1ft

Small Craft Advisory
Saturday
NNW 17kt
< 1ft

Small Craft Advisory
Saturday Night
N 9kt
< 1ft
Sunday
NNE 9kt⇓
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
⇑SW 7kt
< 1ft
Monday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:22 am EST Feb 6, 2026
Forecast Valid: 12am EST Feb 6, 2026-6pm EST Feb 12, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH

Overnight

NW wind around 6 kt becoming W. Partly cloudy. Seas 1 ft or less.

Friday

W wind 7 to 10 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Friday Night

WSW wind 16 to 20 kt becoming NW after midnight. Winds could gust as high as 26 kt. Mostly clear. Seas 1 ft or less.

Saturday

NNW wind 12 to 17 kt. Sunny. Seas 1 ft or less.

Saturday Night

N wind around 9 kt. Mostly clear. Seas 1 ft or less.

Sunday

NNE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

Monday Night

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

*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.