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

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy and Breezy

78°F

26°C

Humidity 79%
Wind Speed N 23 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Oct 3:52 pm EDT
Extended Forecast for

Neptune Beach FL

High Surf Advisory October 3, 04:34pm until October 6, 05:00am
Coastal Flood Advisory October 3, 04:34pm until October 3, 05:00pm
Coastal Flood Warning October 3, 05:00pm until October 6, 05:00am
Click here for hazard details and duration
High Surf Advisory
Coastal Flood Advisory
Coastal Flood Warning
  •  
    High Surf Advisory October 3, 04:34pm until October 6, 05:00am
    Coastal Flood Advisory October 3, 04:34pm until October 3, 05:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 81 °F

    Chance
    Showers and
    Very Windy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 75. Very windy, with an east wind 29 to 31 mph.

    Low: 75 °F

    Chance
    Showers and
    Very Windy

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Partly sunny, with a high near 79. Very windy, with an east wind 25 to 30 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely and
    Very Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Very windy, with an east wind around 31 mph.

    Low: 77 °F

    Very Windy.
    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 80. Very windy, with an east wind around 29 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers and
    Very Windy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 77. Very windy. Chance of precipitation is 80%.

    Low: 77 °F

    Showers and
    Very Windy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 78. Very windy. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Very Windy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Very windy. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely and
    Very Windy

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly sunny, with a high near 81. Very windy, with a northeast wind around 29 mph, with gusts as high as 33 mph.
Tonight
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 75. Very windy, with an east wind 29 to 31 mph.
Saturday
Showers likely, mainly after 4pm. Partly sunny, with a high near 79. Very windy, with an east wind 25 to 30 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Very windy, with an east wind around 31 mph.
Sunday
Showers and possibly a thunderstorm. High near 80. Very windy, with an east wind around 29 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 77. Very windy. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm. High near 78. Very windy. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Very windy. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 80. Very windy.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 77. Windy.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Windy.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Windy.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Very windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
1:26 pm EDT Oct 3, 2025
Forecast Valid:
4pm EDT Oct 3, 2025-6pm EDT Oct 9, 2025
 
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Additional Resources

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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