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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Tonight
SE 9kt
3ft
Saturday
ESE 10kt
2-3ft
Saturday Night
SE 9kt
2-3ft
Sunday
⇑SSW 13kt
2-3ft
Sunday Night
S 9kt⇓
3ft
Monday
⇑NE 19kt
3ft
Monday Night
NE 12kt
3ft
Tuesday
NE 20kt
3-4ft
Tuesday Night
⇑NE 23kt
4-5ft

Associated Zone Forecast which includes this point

Last Update: 4:25 pm EDT Apr 3, 2026
Forecast Valid: 6pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 5 to 9 kt. Partly cloudy. Seas around 3 ft.

Saturday

ESE wind 5 to 10 kt. Mostly sunny. Seas 2 to 3 ft.

Saturday Night

SE wind 7 to 9 kt becoming S after midnight. Mostly clear. Seas 2 to 3 ft.

Sunday

SSW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 2 to 3 ft.

Sunday Night

S wind 5 to 9 kt becoming variable and less than 5 kt. Showers and thunderstorms likely. Seas around 3 ft.

Monday

N wind 11 to 14 kt becoming NE 16 to 19 kt in the afternoon. A chance of showers. Seas around 3 ft.

Monday Night

NE wind around 12 kt. A chance of showers, mainly after 2am. Seas around 3 ft.

Tuesday

NE wind 16 to 20 kt. A chance of showers. Seas 3 to 4 ft.

Tuesday Night

NE wind 16 to 19 kt increasing to 20 to 23 kt after midnight. A slight chance of showers. Seas 4 to 5 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.