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Jacksonville, FL Local Forecast Office

4NM SE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNE wind 5 to 10 kt. Showers.   Seas around 2 ft.

      High: 60 °F

      NNE 10kt
      2ft

    • Tonight

      Tonight:N wind 6 to 8 kt. Showers likely, mainly before 2am.   Seas around 2 ft.

      Low: 53 °F

      N 8kt
      2ft

    • Monday

      Monday:N wind 11 to 13 kt. A slight chance of showers between 7am and 1pm.   Seas 2 to 3 ft.

      High: 58 °F

      N 13kt
      2-3ft

    • Monday Night

      Monday Night:N wind 13 to 16 kt. Mostly cloudy. Seas around 3 ft.

      Low: 46 °F

      N 16kt
      3ft

    • Tuesday

      Tuesday:N wind 9 to 14 kt. Mostly sunny. Seas around 3 ft.

      High: 52 °F

      N 14kt
      3ft

    • Tuesday Night

      Tuesday Night:N wind 5 to 7 kt. Mostly clear. Seas around 3 ft.

      Low: 47 °F

      N 7kt
      3ft

    • Wednesday

      Wednesday:NNW wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Seas around 3 ft.

      High: 61 °F

      W 8kt
      3ft

    • Wednesday Night

      Wednesday Night:WSW wind around 9 kt. Mostly clear. Seas around 3 ft.

      Low: 51 °F

      WSW 9kt
      3ft

    • Thursday

      Thursday:W wind around 8 kt becoming S in the afternoon. Sunny. Seas 2 to 3 ft.

      High: 63 °F

      W 8kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:26 am EST Dec 7, 2025
Forecast Valid: 6am EST Dec 7, 2025-6pm EST Dec 13, 2025

View Nearby Observations

Detailed Forecast


Today
NNE wind 5 to 10 kt. Showers. Seas around 2 ft.
Tonight
N wind 6 to 8 kt. Showers likely, mainly before 2am. Seas around 2 ft.
Monday
N wind 11 to 13 kt. A slight chance of showers between 7am and 1pm. Seas 2 to 3 ft.
Monday Night
N wind 13 to 16 kt. Mostly cloudy. Seas around 3 ft.
Tuesday
N wind 9 to 14 kt. Mostly sunny. Seas around 3 ft.
Tuesday Night
N wind 5 to 7 kt. Mostly clear. Seas around 3 ft.
Wednesday
NNW wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Seas around 3 ft.
Wednesday Night
WSW wind around 9 kt. Mostly clear. Seas around 3 ft.
Thursday
W wind around 8 kt becoming S in the afternoon. Sunny. Seas 2 to 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 7, 2025
Forecast Valid: 6am EST Dec 7, 2025-6pm EST Dec 13, 2025
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