Coastal Flood Warnings & Advisories for the St. Johns River Basin & Atlantic Coast

Persistent onshore winds will combine with high astronomical tides to create minor to moderate flooding around times of high tide for the St. Johns River basin, where a Coastal Flood Warning is in effect from downtown Jacksonville southward to Lake George through Thursday afternoon. Coastal Flood Advisories remain in effect for the Atlantic coast and Intracoastal Waterway through Saturday. Read More >

Current conditions at

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Light Rain Fog/Mist

78°F

26°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 77°F (25°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 8 Oct 5:52 pm EDT
Extended Forecast for

2 Miles NNW Atlantic Beach FL

Coastal Flood Advisory October 8, 05:59pm until October 10, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 8, 05:59pm until October 10, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Advisory

  • This Afternoon

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 74. East wind around 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  High near 81. Windy, with an east wind 16 to 21 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers and
    Windy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Steady temperature around 77. Windy, with an east wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    Low: 77 °F

    Showers and
    Windy

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 83. Breezy, with a southeast wind 13 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    High: 83 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am.  Low around 75. Chance of precipitation is 80%.

    Low: 75 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 78. Northeast wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 74. East wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 81. Windy, with an east wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Steady temperature around 77. Windy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 83. Breezy, with a southeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 75. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Columbus Day
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A slight chance of showers. Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Atlantic Beach FL
 30.37°N 81.43°W
2:36 pm EDT Oct 8, 2026
5pm EDT Oct 8, 2026-6pm EDT Oct 15, 2026
 
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