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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
SSE 10kt
2ft
Tonight
Low: 70 °F
S 11kt
2ft
Saturday
High: 76 °F
ENE 14kt
2ft
Saturday Night
Low: 71 °F
E 13kt
3ft
Sunday
High: 77 °F
SSE 12kt
3ft
Sunday Night
Low: 71 °F
SE 12kt
3ft
Monday
High: 77 °F
SSE 14kt
3ft
Monday Night
Low: 70 °F
SE 15kt
3-4ft
Tuesday
High: 79 °F
SSW 10kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:45 am EDT May 9, 2025
Forecast Valid: 8am EDT May 9, 2025-6pm EDT May 15, 2025

View Nearby Observations

Detailed Forecast

Today

W wind 8 to 10 kt becoming SSE in the afternoon. A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Tonight

S wind 5 to 11 kt becoming W after midnight. A chance of showers and thunderstorms. Seas around 2 ft.

Saturday

ENE wind 8 to 14 kt. Showers, with thunderstorms also possible after 11am. Seas around 2 ft.

Saturday Night

E wind 10 to 13 kt becoming SE after midnight. Showers and possibly a thunderstorm. Seas around 3 ft.

Sunday

SSE wind around 12 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Sunday Night

SE wind around 12 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Monday

SSE wind around 14 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Monday Night

SE wind 13 to 15 kt, with gusts as high as 21 kt. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Tuesday

SSW wind around 10 kt. Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 3 ft.

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.