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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:N wind 8 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas around 3 ft.

      High: 51 °F

      N 15kt
      3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Low: 46 °F

      Light Wind
      2ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. Sunny. Seas around 3 ft.

      High: 62 °F

      ⇑WSW 10kt
      3ft

    • Wednesday Night

      Wednesday Night:WSW wind 11 to 13 kt, with gusts as high as 19 kt. Mostly clear. Seas around 3 ft.

      Low: 50 °F

      WSW 13kt
      3ft

    • Thursday

      Thursday:W wind 8 to 10 kt. Sunny. Seas around 2 ft.

      High: 60 °F

      W 10kt
      2ft

    • Thursday Night

      Thursday Night:W wind around 7 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 48 °F

      W 7kt
      1-2ft

    • Friday

      Friday:WNW wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

      High: 61 °F

      SSW 7kt
      1ft

    • Friday Night

      Friday Night:SSW wind 6 to 10 kt becoming W after midnight. Mostly clear. Seas around 1 ft.

      Low: 51 °F

      W 10kt
      1ft

    • Saturday

      Saturday:WNW wind 9 to 11 kt becoming N in the afternoon. Sunny. Seas around 1 ft.

      High: 61 °F

      WNW 11kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:21 am EST Dec 9, 2025
Forecast Valid: 1am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast


Tuesday
N wind 8 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas around 3 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Wednesday
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. Sunny. Seas around 3 ft.
Wednesday Night
WSW wind 11 to 13 kt, with gusts as high as 19 kt. Mostly clear. Seas around 3 ft.
Thursday
W wind 8 to 10 kt. Sunny. Seas around 2 ft.
Thursday Night
W wind around 7 kt. Mostly clear. Seas 1 to 2 ft.
Friday
WNW wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SSW wind 6 to 10 kt becoming W after midnight. Mostly clear. Seas around 1 ft.
Saturday
WNW wind 9 to 11 kt becoming N in the afternoon. 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: 12:21 am EST Dec 9, 2025
Forecast Valid: 1am EST Dec 9, 2025-6pm EST Dec 15, 2025
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