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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 21 °C
S 21km/h
1m
Wednesday
High: 25 °C
SE 18km/h
1m
Wednesday Night
Low: 21 °C
SE 18km/h
1m
Thursday
High: 24 °C
ESE 16km/h
1m
Thursday Night
Low: 21 °C
ESE 13km/h
1m
Friday
High: 24 °C
E 16km/h
1m
Friday Night
Low: 21 °C
SSE 11km/h
1m
Saturday
High: 26 °C
SSE 16km/h
1m
Saturday Night
Low: 21 °C
S 14km/h
1m

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:55 pm EDT Apr 22, 2025
Forecast Valid: 10pm EDT Apr 22, 2025-6pm EDT Apr 29, 2025

View Nearby Observations

Detailed Forecast

Tonight

S wind 16 to 21 km/h. Mostly cloudy. Seas around 1 m.

Wednesday

SSW wind 10 to 18 km/h becoming SE in the afternoon. Winds could gust as high as 26 km/h. Partly sunny. Seas around 1 m.

Wednesday Night

SE wind 11 to 18 km/h, with gusts as high as 26 km/h. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas around 1 m.

Thursday

ESE wind 10 to 16 km/h, with gusts as high as 24 km/h. Mostly sunny. Seas around 1 m.

Thursday Night

ESE wind 11 to 13 km/h. Partly cloudy. Seas around 1 m.

Friday

E wind 10 to 16 km/h, with gusts as high as 24 km/h. Mostly sunny. Seas around 1 m.

Friday Night

SSE wind around 11 km/h. Partly cloudy. Seas around 1 m.

Saturday

SSW wind 10 to 16 km/h becoming SSE in the afternoon. Winds could gust as high as 24 km/h. A slight chance of showers. Seas around 1 m.

Saturday Night

S wind 11 to 14 km/h becoming SW after midnight. A slight chance of showers. Seas around 1 m.

Winds and waves higher in and near thunderstorms.

*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.