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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:S wind 9 to 17 kt becoming NW in the afternoon. Showers and thunderstorms likely, mainly before 3pm.   Seas 3 to 4 ft.

      High: 70 °F

      SSW 17kt
      3-4ft

    • Tuesday Night

      Tuesday Night:NW wind around 13 kt. Mostly cloudy. Seas around 3 ft.

      Low: 49 °F

      NW 13kt
      3ft

    • Wednesday

      Wednesday:NNW wind 6 to 9 kt. Mostly sunny. Seas around 2 ft.

      High: 58 °F

      NNW 9kt
      2ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

      Low: 51 °F

      Light Wind
      2ft

    • Thursday

      Thursday:N wind 5 to 7 kt. Partly sunny. Seas around 2 ft.

      High: 61 °F

      N 7kt
      2ft

    • Thursday Night

      Thursday Night:N wind around 6 kt. A slight chance of showers.   Seas around 2 ft.

      Low: 55 °F

      N 6kt
      2ft

    • Friday

      Friday:NNE wind around 9 kt. A chance of showers.   Seas around 2 ft.

      High: 63 °F

      NNE 9kt
      2ft

    • Friday Night

      Friday Night:NE wind around 9 kt becoming SW in the evening. Showers likely.   Seas around 2 ft.

      Low: 57 °F

      NE 9kt
      2ft

    • Saturday

      Saturday:WNW wind around 10 kt becoming N in the afternoon. Showers likely.   Seas around 2 ft.

      High: 60 °F

      NNW 10kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 am EST Dec 2, 2025
Forecast Valid: 4am EST Dec 2, 2025-6pm EST Dec 8, 2025

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Detailed Forecast


Tuesday
S wind 9 to 17 kt becoming NW in the afternoon. Showers and thunderstorms likely, mainly before 3pm. Seas 3 to 4 ft.
Tuesday Night
NW wind around 13 kt. Mostly cloudy. Seas around 3 ft.
Wednesday
NNW wind 6 to 9 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.
Thursday
N wind 5 to 7 kt. Partly sunny. Seas around 2 ft.
Thursday Night
N wind around 6 kt. A slight chance of showers. Seas around 2 ft.
Friday
NNE wind around 9 kt. A chance of showers. Seas around 2 ft.
Friday Night
NE wind around 9 kt becoming SW in the evening. Showers likely. Seas around 2 ft.
Saturday
WNW wind around 10 kt becoming N in the afternoon. Showers likely. Seas around 2 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: 12:46 am EST Dec 2, 2025
Forecast Valid: 4am EST Dec 2, 2025-6pm EST Dec 8, 2025
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