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Jacksonville, FL Local Forecast Office

9NM NNW Mayport FL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind around 17 kt. Showers likely and possibly a thunderstorm.   Seas around 3 ft.

      High: 81 °F

      NNE 17kt
      3ft

    • Tonight

      Tonight:NE wind 15 to 18 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.   Seas 3 to 4 ft.

      Low: 77 °F

      NE 18kt
      3-4ft

    • Thursday

      Thursday:NNE wind 19 to 23 kt. A chance of showers and thunderstorms, mainly between 2pm and 3pm.   Seas 3 to 5 ft.

      High: 77 °F

      NNE 23kt
      3-5ft

    • Thursday Night

      Thursday Night:NNE wind around 21 kt. A chance of showers and thunderstorms.   Seas 3 to 5 ft.

      Low: 71 °F

      NNE 21kt
      3-5ft

    • Friday

      Friday:NNE wind around 17 kt. Mostly sunny. Seas 3 to 5 ft.

      High: 74 °F

      NNE 17kt
      3-5ft

    • Friday Night

      Friday Night:NNE wind around 10 kt. Mostly clear. Seas 3 to 5 ft.

      Low: 69 °F

      NNE 10kt
      3-5ft

    • Saturday

      Saturday:NNE wind 11 to 13 kt. Sunny. Seas 3 to 5 ft.

      High: 75 °F

      NNE 13kt
      3-5ft

    • Saturday Night

      Saturday Night:NE wind around 6 kt becoming variable and less than 5 kt. Mostly clear. Seas 3 to 5 ft.

      Low: 68 °F

      NE 6kt⇓
      3-5ft

    • Sunday

      Sunday:NNW wind around 7 kt becoming NE in the afternoon. Mostly sunny. Seas 3 to 5 ft.

      High: 80 °F

      NNW 7kt
      3-5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 pm EDT Sep 23, 2026
Forecast Valid: 4pm EDT Sep 23, 2026-6pm EDT Sep 29, 2026

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Detailed Forecast


This Afternoon
NNE wind around 17 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.
Tonight
NE wind 15 to 18 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas 3 to 4 ft.
Thursday
NNE wind 19 to 23 kt. A chance of showers and thunderstorms, mainly between 2pm and 3pm. Seas 3 to 5 ft.
Thursday Night
NNE wind around 21 kt. A chance of showers and thunderstorms. Seas 3 to 5 ft.
Friday
NNE wind around 17 kt. Mostly sunny. Seas 3 to 5 ft.
Friday Night
NNE wind around 10 kt. Mostly clear. Seas 3 to 5 ft.
Saturday
NNE wind 11 to 13 kt. Sunny. Seas 3 to 5 ft.
Saturday Night
NE wind around 6 kt becoming variable and less than 5 kt. Mostly clear. Seas 3 to 5 ft.
Sunday
NNW wind around 7 kt becoming NE in the afternoon. Mostly sunny. Seas 3 to 5 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: 30.51°N 81.44°W
Last Update: 2:21 pm EDT Sep 23, 2026
Forecast Valid: 4pm EDT Sep 23, 2026-6pm EDT Sep 29, 2026
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