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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
ENE 10kt
2ft
Tonight
E 8kt
2ft
Sunday
SE 11kt
2ft
Sunday Night
S 14kt
3ft
Monday
S 20kt
4ft
Monday Night
W 22kt
3-4ft
Tuesday
NW 17kt
2ft
Tuesday Night
N 10kt
2ft
Wednesday
NNE 14kt
2ft

Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Mar 14, 2026
Forecast Valid: 11am EDT Mar 14, 2026-6pm EDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Today

NNE wind 7 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 2 ft.

Tonight

E wind around 8 kt. Partly cloudy. Seas around 2 ft.

Sunday

E wind 8 to 11 kt becoming SE in the afternoon. Showers and thunderstorms likely before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas around 2 ft.

Sunday Night

S wind 12 to 14 kt. A chance of showers and thunderstorms. Seas around 3 ft.

Monday

S wind 16 to 20 kt, with gusts as high as 26 kt. Showers and possibly a thunderstorm. Seas around 4 ft.

Monday Night

W wind 19 to 22 kt becoming NW after midnight. A slight chance of showers before 2am. Seas 3 to 4 ft.

Tuesday

NW wind 12 to 17 kt. Partly sunny. Seas around 2 ft.

Tuesday Night

N wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Wednesday

NNE wind 12 to 14 kt. Mostly sunny. Seas around 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.