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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
Light Wind
1ft
Tonight
⇑NW 6kt
1ft
Saturday
⇑WNW 24kt
2-3ft
Saturday Night
WNW 32kt
3-4ft
Sunday
WNW 23kt⇓
2-3ft
Sunday Night
WNW 15kt
2ft
Monday
NW 10kt
2ft
Monday Night
W 8kt
2ft
Tuesday
WNW 7kt
2ft

Associated Zone Forecast which includes this point

Last Update: 1:30 am EST Jan 30, 2026
Forecast Valid: 5am EST Jan 30, 2026-6pm EST Feb 5, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Tonight

Variable winds less than 5 kt becoming NW around 6 kt after midnight. Mostly cloudy. Seas around 1 ft.

Saturday

WNW wind 9 to 14 kt increasing to 19 to 24 kt. Winds could gust as high as 30 kt. A chance of rain between 1pm and 4pm, then a chance of snow after 4pm. Seas 2 to 3 ft.

Saturday Night

WNW wind 27 to 32 kt, with gusts as high as 39 kt. A chance of snow before 1am. Seas 3 to 4 ft.

Sunday

WNW wind 20 to 23 kt decreasing to 16 to 19 kt in the afternoon. Winds could gust as high as 29 kt. Sunny. Seas 2 to 3 ft.

Sunday Night

WNW wind 12 to 15 kt. Mostly clear. Seas around 2 ft.

Monday

NW wind around 10 kt. Sunny. Seas around 2 ft.

Monday Night

W wind around 8 kt. Mostly clear. Seas around 2 ft.

Tuesday

WNW wind 5 to 7 kt becoming S in the afternoon. Mostly sunny. Seas around 2 ft.

*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.