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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
S 13kt
2ft
Tonight
SW 11kt
2-3ft
Friday
SSW 14kt
2-3ft
Friday Night
SW 8kt
2ft
Saturday
SW 12kt
2ft
Saturday Night
WSW 10kt
2ft
Sunday
⇑NW 19kt
2ft
Sunday Night
NW 23kt
2-3ft
Monday
NW 18kt
2ft

Associated Zone Forecast which includes this point

Last Update: 7:30 am EST Feb 19, 2026
Forecast Valid: 9am EST Feb 19, 2026-6pm EST Feb 25, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 10 to 13 kt. Partly sunny. Seas around 2 ft.

Tonight

SW wind around 11 kt. Mostly cloudy. Seas 2 to 3 ft.

Friday

SSW wind 10 to 14 kt. A chance of showers, mainly after 1pm. Seas 2 to 3 ft.

Friday Night

SW wind around 8 kt. A chance of showers, mainly before 1am. Seas around 2 ft.

Saturday

SW wind 8 to 12 kt. Showers likely, mainly after 1pm. Seas around 2 ft.

Saturday Night

WSW wind 8 to 10 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Sunday

W wind 13 to 16 kt becoming NW 16 to 19 kt in the afternoon. Winds could gust as high as 25 kt. A chance of showers, mainly before 1pm. Seas around 2 ft.

Sunday Night

NW wind around 23 kt. Mostly clear. Seas 2 to 3 ft.

Monday

NW wind 14 to 18 kt. 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.