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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 11 kt. Sunny. Seas around 3 ft.

      High: 61 °F

      WSW 11kt
      3ft

    • Tonight

      Tonight:WSW wind 14 to 17 kt becoming WNW after midnight. Mostly clear. Seas around 3 ft.

      Low: 46 °F

      WNW 17kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:NW wind 10 to 16 kt. Sunny. Seas 2 to 3 ft.

      High: 56 °F

      NW 16kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:WNW wind 6 to 9 kt. Mostly clear. Seas around 2 ft.

      Low: 46 °F

      WNW 9kt
      2ft

    • Friday

      Friday:NW wind 5 to 9 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.

      High: 61 °F

      SW 9kt
      1ft

    • Friday Night

      Friday Night:SW wind 7 to 9 kt. Mostly clear. Seas around 1 ft.

      Low: 52 °F

      SW 9kt
      1ft

    • Saturday

      Saturday:W wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas around 1 ft.

      High: 64 °F

      W 6kt⇓
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 55 °F

      Light Wind
      1ft

    • Sunday

      Sunday:W wind 6 to 9 kt. Sunny. Seas around 1 ft.

      High: 66 °F

      W 9kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:11 pm EST Dec 10, 2025
Forecast Valid: 4pm EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
WSW wind around 11 kt. Sunny. Seas around 3 ft.
Tonight
WSW wind 14 to 17 kt becoming WNW after midnight. Mostly clear. Seas around 3 ft.
Thursday
NW wind 10 to 16 kt. Sunny. Seas 2 to 3 ft.
Thursday Night
WNW wind 6 to 9 kt. Mostly clear. Seas around 2 ft.
Friday
NW wind 5 to 9 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SW wind 7 to 9 kt. Mostly clear. Seas around 1 ft.
Saturday
W wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
W wind 6 to 9 kt. Sunny. Seas around 1 ft.

*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: 2:11 pm EST Dec 10, 2025
Forecast Valid: 4pm EST Dec 10, 2025-6pm EST Dec 16, 2025
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