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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Friday

      Friday:W wind 5 to 9 kt becoming SSW in the morning. A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Seas 2 to 3 ft.

      High: 66 °F

      NW 9kt
      2-3ft

    • Friday Night

      Friday Night:N wind 5 to 7 kt. Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 5am. Seas 2 to 3 ft.

      Low: 55 °F

      N 7kt
      2-3ft

    • Saturday

      Saturday:N wind 5 to 8 kt. Showers, mainly after 1pm. Seas around 2 ft.

      High: 59 °F

      N 8kt
      2ft

    • Saturday Night

      Saturday Night:N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers, mainly before 1am. Seas around 2 ft.

      Low: 54 °F

      N 7kt⇓
      2ft

    • Sunday

      Sunday:NE wind 6 to 8 kt. Showers likely, mainly before 1pm. Seas around 2 ft.

      High: 61 °F

      NE 8kt
      2ft

    • Sunday Night

      Sunday Night:NNW wind 6 to 8 kt. A chance of showers, mainly before 1am. Seas around 2 ft.

      Low: 53 °F

      NNW 8kt
      2ft

    • Monday

      Monday:N wind 10 to 15 kt. A slight chance of showers before 1pm. Seas 2 to 3 ft.

      High: 58 °F

      N 15kt
      2-3ft

    • Monday Night

      Monday Night:NNE wind around 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 47 °F

      NNE 15kt
      3ft

    • Tuesday

      Tuesday:NNE wind 9 to 13 kt. Partly sunny. Seas around 3 ft.

      High: 55 °F

      NNE 13kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:26 am EST Dec 5, 2025
Forecast Valid: 3am EST Dec 5, 2025-6pm EST Dec 11, 2025

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Detailed Forecast


Friday
W wind 5 to 9 kt becoming SSW in the morning. A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Seas 2 to 3 ft.
Friday Night
N wind 5 to 7 kt. Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 5am. Seas 2 to 3 ft.
Saturday
N wind 5 to 8 kt. Showers, mainly after 1pm. Seas around 2 ft.
Saturday Night
N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers, mainly before 1am. Seas around 2 ft.
Sunday
NE wind 6 to 8 kt. Showers likely, mainly before 1pm. Seas around 2 ft.
Sunday Night
NNW wind 6 to 8 kt. A chance of showers, mainly before 1am. Seas around 2 ft.
Monday
N wind 10 to 15 kt. A slight chance of showers before 1pm. Seas 2 to 3 ft.
Monday Night
NNE wind around 15 kt. Mostly cloudy. Seas around 3 ft.
Tuesday
NNE wind 9 to 13 kt. Partly sunny. Seas around 3 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: 12:26 am EST Dec 5, 2025
Forecast Valid: 3am EST Dec 5, 2025-6pm EST Dec 11, 2025
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