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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
⇑S 17kt
2-3ft

Small Craft Advisory
Tonight
S 13kt
3ft

Small Craft Advisory
Washington's Birthday
N 13kt
2-3ft
Monday Night
ENE 7kt
1-2ft
Tuesday
NE 8kt
2ft
Tuesday Night
Light Wind
2ft
Wednesday
⇑SSW 13kt
2-3ft
Wednesday Night
SSW 11kt
2-3ft
Thursday
SSW 11kt
2ft

Associated Zone Forecast which includes this point

Last Update: 1:30 am EST Feb 15, 2026
Forecast Valid: 6am EST Feb 15, 2026-6pm EST Feb 21, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 26 kt. A chance of showers, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Seas 2 to 3 ft.

Tonight

S wind 8 to 13 kt becoming W after midnight. Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Seas around 3 ft.

Washington's Birthday

NNW wind 10 to 13 kt becoming NE in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers between 7am and 1pm. Seas 2 to 3 ft.

Monday Night

ENE wind 5 to 7 kt. Mostly clear. Seas 1 to 2 ft.

Tuesday

NNE wind around 8 kt becoming ENE in the afternoon. Sunny. Seas around 2 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

Wednesday

SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Partly sunny. Seas 2 to 3 ft.

Wednesday Night

SSW wind 8 to 11 kt becoming WSW after midnight. Mostly cloudy. Seas 2 to 3 ft.

Thursday

SW wind 7 to 11 kt becoming S in the afternoon. A slight chance of showers. 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.