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

Coastal Flood Warnings and Heavy Rainfall this Weekend - Updated Briefing

Coastal Flood Warnings have been issued through early next week along portions of the northeast Florida Atlantic coast and within the St. Johns River basin. Dangerous marine and surf conditions will continue, with heavy rainfall possible this weekend, which may exacerbate flooding at coastal locations. Please monitor this briefing for the latest updates this weekend and early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Jacksonville Naval Air Station (KNIP)

Lat: 30.23°NLon: 81.67°WElev: 10ft.

Mostly Cloudy

73°F

23°C

Humidity 90%
Wind Speed N 12 mph
Barometer 30.04 in (1016.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 5:53 am EDT
Extended Forecast for

Green Cove Springs FL

Coastal Flood Warning October 4, 06:14am until October 7, 05:00am
Click here for hazard details and duration
Coastal Flood Warning
  •  
    Coastal Flood Warning October 4, 06:14am until October 7, 05:00am

    NOW until 5:00am Tue

    Coastal Flood Warning

  • Today

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Breezy, with an east wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 76. Breezy, with an east wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Breezy, with an east wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Breezy. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy.

    High: 83 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Breezy, with an east wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Breezy, with an east wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 76. Breezy, with an east wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Breezy, with an east wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Breezy. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 84. Breezy.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Breezy.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Cove Springs FL
 30°N 81.69°W
Last Update:
1:26 am EDT Oct 4, 2025
Forecast Valid:
6am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation