National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

83°F

28°C

Humidity 77%
Wind Speed NE 10 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Aug 7:52 am EDT
Extended Forecast for

3 Miles WNW Atlantic Beach FL

High Surf Advisory August 19, 12:00pm until August 22, 02:00am
Click here for hazard details and duration
High Surf Advisory

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 89. Heat index values as high as 102. Breezy, with a northeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 89 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Partly cloudy, with a low around 78. Northeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. North wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Northeast wind 5 to 7 mph becoming west in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 94. West wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 94 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 89. Heat index values as high as 102. Breezy, with a northeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Partly cloudy, with a low around 78. Northeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. North wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Northeast wind 5 to 7 mph becoming west in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 94. West wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 76. Chance of precipitation is 80%.
Saturday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Atlantic Beach FL
 30.35°N 81.46°W
Last Update:
8:24 am EDT Aug 19, 2025
Forecast Valid:
8am EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation