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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNW wind around 10 kt. Showers and possibly a thunderstorm.   Seas around 3 ft.

      High: 66 °F

      NNW 10kt
      3ft

    • Tonight

      Tonight:NW wind 7 to 10 kt. Showers and possibly a thunderstorm before 4am, then a slight chance of showers after 5am.   Seas 2 to 3 ft.

      Low: 54 °F

      NW 10kt
      2-3ft

    • Saturday

      Saturday:NW wind 7 to 11 kt. Showers, mainly after 3pm.   Seas around 2 ft.

      High: 58 °F

      NW 11kt
      2ft

    • Saturday Night

      Saturday Night:NNW wind 5 to 8 kt becoming NNE after midnight. Showers, mainly before 1am.   Seas around 2 ft.

      Low: 52 °F

      NNW 8kt
      2ft

    • Sunday

      Sunday:NE wind around 8 kt. A chance of showers.   Seas around 2 ft.

      High: 61 °F

      NE 8kt
      2ft

    • Sunday Night

      Sunday Night:N wind 5 to 9 kt. A chance of showers, mainly before 1am.   Seas around 2 ft.

      Low: 55 °F

      N 9kt
      2ft

    • Monday

      Monday:N wind 10 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Seas 2 to 3 ft.

      High: 60 °F

      N 15kt
      2-3ft

    • Monday Night

      Monday Night:NNE wind 17 to 19 kt, with gusts as high as 26 kt. Mostly cloudy. Seas 3 to 4 ft.

      Low: 47 °F

      NNE 19kt
      3-4ft

    • Tuesday

      Tuesday:NNE wind 10 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 54 °F

      NNE 16kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:51 pm EST Dec 5, 2025
Forecast Valid: 5pm EST Dec 5, 2025-6pm EST Dec 12, 2025

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Detailed Forecast


This Afternoon
NNW wind around 10 kt. Showers and possibly a thunderstorm. Seas around 3 ft.
Tonight
NW wind 7 to 10 kt. Showers and possibly a thunderstorm before 4am, then a slight chance of showers after 5am. Seas 2 to 3 ft.
Saturday
NW wind 7 to 11 kt. Showers, mainly after 3pm. Seas around 2 ft.
Saturday Night
NNW wind 5 to 8 kt becoming NNE after midnight. Showers, mainly before 1am. Seas around 2 ft.
Sunday
NE wind around 8 kt. A chance of showers. Seas around 2 ft.
Sunday Night
N wind 5 to 9 kt. A chance of showers, mainly before 1am. Seas around 2 ft.
Monday
N wind 10 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. Seas 2 to 3 ft.
Monday Night
NNE wind 17 to 19 kt, with gusts as high as 26 kt. Mostly cloudy. Seas 3 to 4 ft.
Tuesday
NNE wind 10 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

Winds and waves higher in and near thunderstorms.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 31.24°N 81.25°W
Last Update: 4:51 pm EST Dec 5, 2025
Forecast Valid: 5pm EST Dec 5, 2025-6pm EST Dec 12, 2025
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