High Astronomical Tides & Monitoring the Tropics

The highest astronomical tides of the year will impact the local Atlantic coast and inland estuaries including the St. Johns River basin through October. Storm systems, heavy rainfall and extended periods of northeast to east winds can exacerbate tidal flooding impacts. We are also monitoring tropical cyclone development in the Gulf of Mexico. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until September 24, 05:00 AM EDT

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Fair

71°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	29.93 in (1013.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	23 Sep 12:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NNW Jacksonville FL

Coastal Flood Advisory September 23, 01:56am until September 24, 05:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory September 23, 01:56am until September 24, 05:00am
NOW until 5:00am Tue
Coastal Flood Advisory
Overnight
Low: 70 °F
Mostly Clear
Monday
High: 90 °F
Sunny
Monday Night
Low: 74 °F
Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms and
Breezy
Wednesday Night
Low: 76 °F
Chance
Showers then
Chance
T-storms
Thursday
High: 82 °F
Breezy.
Chance
T-storms then
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 70. Calm wind.

Monday

Sunny, with a high near 90. Calm wind becoming east 5 to 8 mph in the afternoon.

Monday Night

Clear, with a low around 74. Southeast wind 3 to 6 mph.

Tuesday

Sunny, with a high near 89. Light southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

Tuesday Night

Mostly clear, with a low around 75. Southeast wind 6 to 8 mph.

Wednesday

A slight chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 88. Breezy. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Cloudy, with a low around 76. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Breezy. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 76. Breezy. Chance of precipitation is 70%.

Friday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Breezy. Chance of precipitation is 70%.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.