For More Weather Information:

Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

This Afternoon
SSE 12kt
2ft
Tonight
S 14kt
3ft

Small Craft Advisory
Monday
S 21kt
4ft

Small Craft Advisory
Monday Night
WNW 21kt
3-4ft

Small Craft Advisory
Tuesday
NW 16kt
2-3ft

Small Craft Advisory
Tuesday Night
N 9kt
2ft
Wednesday
NNE 13kt
2ft
Wednesday Night
NE 9kt
2-3ft
Thursday
N 11kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT Mar 15, 2026
Forecast Valid: 2pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSE wind around 12 kt. A slight chance of showers and thunderstorms after 5pm. Seas around 2 ft.

Tonight

S wind around 14 kt. Showers and thunderstorms likely, mainly before 2am. Seas around 3 ft.

Monday

S wind 16 to 21 kt, with gusts as high as 27 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Seas around 4 ft.

Monday Night

WNW wind 18 to 21 kt, with gusts as high as 27 kt. A chance of showers before 8pm. Seas 3 to 4 ft.

Tuesday

NW wind 11 to 16 kt. Partly sunny. Seas 2 to 3 ft.

Tuesday Night

N wind around 9 kt. Partly cloudy. Seas around 2 ft.

Wednesday

NNE wind 10 to 13 kt. Sunny. Seas around 2 ft.

Wednesday Night

NE wind 7 to 9 kt. Partly cloudy. Seas 2 to 3 ft.

Thursday

N wind around 11 kt. Mostly sunny. Seas around 3 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.