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Charleston, SC Local Forecast Office

7NM NW Edisto Forty Reef MR

Marine Point Forecast

[NOTICE]

Today
WSW 17kt
4ft
Tonight
W 13kt
3ft
Columbus Day
NW 11kt
2ft
Monday Night
Light Wind
1-2ft
Tuesday
N 6kt⇓
1ft
Tuesday Night
Light Wind
1ft
Wednesday
⇑S 6kt
1-2ft
Wednesday Night
Light Wind
2ft
Thursday
⇑SSE 6kt
1-2ft

Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Oct 11, 2026
Forecast Valid: 10am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

Today

WSW wind 15 to 17 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Seas around 4 ft.

Tonight

W wind around 13 kt, with gusts as high as 20 kt. Mostly clear. Seas around 3 ft.

Columbus Day

NW wind 9 to 11 kt. Sunny. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.

Tuesday

N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Clear. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Clear. Seas around 2 ft.

Thursday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Winds and seas higher in and near tstms.

*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.