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Dangerous Marine and Surf Conditions - Updated Briefing

Dangerous marine and surf conditions will continue through the upcoming weekend, with coastal flooding and heavy rainfall expected. Continue to monitor this updated briefing for the latest information on expected impacts to our area. Read More >

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy

76°F

24°C

Humidity 82%
Wind Speed NE 20 G 26 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Oct 8:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

Coastal Flood Watch October 3, 05:00pm until October 5, 08:00pm
High Surf Advisory October 2, 09:47pm until October 5, 05:00am
Coastal Flood Advisory until October 3, 05:00pm
Click here for hazard details and duration
Coastal Flood Watch
High Surf Advisory
Coastal Flood Advisory
  •  
    High Surf Advisory October 2, 09:47pm until October 5, 05:00am
    Coastal Flood Advisory until October 3, 05:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 74 °F

    Heavy Rain
    and Windy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 79. Very windy, with a northeast wind 22 to 31 mph, with gusts as high as 41 mph.

    High: 79 °F

    Very Windy.
    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 76. Very windy, with an east wind around 32 mph, with gusts as high as 43 mph.

    Low: 76 °F

    Chance
    T-storms and
    Very Windy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Very windy, with an east wind 29 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

    High: 79 °F

    Very Windy.
    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 76. Very windy, with an east wind around 34 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely and
    Very Windy

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 79. Very windy. Chance of precipitation is 80%.

    High: 79 °F

    Showers and
    Very Windy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 75. Very windy. Chance of precipitation is 80%.

    Low: 75 °F

    Very Windy.
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Very windy. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely and
    Very Windy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. Windy, with an east wind 22 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 79. Very windy, with a northeast wind 22 to 31 mph, with gusts as high as 41 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 76. Very windy, with an east wind around 32 mph, with gusts as high as 43 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Very windy, with an east wind 29 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 76. Very windy, with an east wind around 34 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 79. Very windy. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 75. Very windy. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Very windy. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Very windy.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Very windy. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Windy.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Windy.
Wednesday Night
A chance of thunderstorms. Mostly clear, with a low around 76. Breezy. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Very windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
1:26 pm EDT Oct 2, 2025
Forecast Valid:
9pm EDT Oct 2, 2025-6pm EDT Oct 9, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation