Water Temperature of the St. Johns River in Jacksonville, FL

Current Water Temperature

74.5°F

Measurement Time: Sunday, April 20, 2025, 6:24 PM EDT

Today's Tides

High: April 20, 2:09 AM, 4.30 ft
 Low: April 20, 8:32 AM, 0.82 ft
High: April 20, 2:35 PM, 3.68 ft
 Low: April 20, 8:21 PM, 0.73 ft

Temperature Locations

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Local Points of Interest

Mayport, FL; Mayport Naval Station; Huguenot Memorial Park

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St. Johns River

Station Name: Mayport (Bar Pilots Dock)
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -5.9 feet / -1.8 meters

Nearest Address:
4910 Ocean St
Jacksonville, FL 32233
Duval County

GPS Coordinates: 30.398167, -81.427889

Nearby Water Temperatures

Clapboard Creek, Jacksonville, FL (6.7 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
Dunn Creek, Jacksonville, FL (10.8 mi)
St. Johns River, Jacksonville, FL (11.4 mi)
Pottsburg Creek, Jacksonville, FL (11.4 mi)
Broward River, Jacksonville, FL (14.7 mi)
St. Johns River, Jacksonville, FL (15.1 mi)
St. Johns River, Jacksonville, FL (15.3 mi)
St. Johns River, Jacksonville, FL (16.3 mi)
Amelia River, Fernandina Beach, FL (19.0 mi)
Trout River, Jacksonville, FL (19.9 mi)
St. Johns River, Jacksonville, FL (20.2 mi)
Cedar River, Jacksonville, FL (20.3 mi)
Durbin Creek, Jacksonville, FL (20.5 mi)

Weather for Jacksonville, Florida

Current Weather

77.2°F
Sunny
Conditions: Sunny
Humidity: 58%
Feels Like: 79.7°F
Wind: ESE 11.6 mph
Wind Gusts: 15.2 mph
Pressure: 30.2 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.1

Five Day Weather Forecast

Partly Cloudy
Sun
H: 76°F
L: 68°F
Cloudy
Mon
H: 77°F
L: 68°F
Cloudy
Tue
H: 76°F
L: 68°F
Cloudy
Wed
H: 78°F
L: 66°F
Sunny
Thu
H: 78°F
L: 69°F

Air Quality

AQI: 2 - Moderate
PM2.5: 13.69 μg/m3
PM10: 20.54 μg/m3
Carbon Monoxide: 257.15 μg/m3
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 4 mins
Moonrise: 2:14 AM
Moon Transit: 7:15 AM
Moonset: 12:21 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
8:22 PM - 10:52 PM

Minor Periods

11:51 AM - 1:21 PM
1:44 AM - 3:14 AM

Action Rating: 4 out of 5

Rip Current Statement issued April 20 at 2:39AM EDT until April 21 at 12:00AM EDT by NWS Jacksonville FL

Effective: Sun April 20, 2025, 2:39 AM
Expires: Mon April 21, 2025, 12:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued April 20 at 2:39AM EDT until April 21 at 12:00AM EDT by NWS Jacksonville FL

Effective: Sun April 20, 2025, 2:39 AM
Expires: Mon April 21, 2025, 12:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued April 20 at 2:39AM EDT until April 21 at 12:00AM EDT by NWS Jacksonville FL

Effective: Sun April 20, 2025, 2:39 AM
Expires: Mon April 21, 2025, 12:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued April 20 at 2:39AM EDT until April 21 at 12:00AM EDT by NWS Jacksonville FL

Effective: Sun April 20, 2025, 2:39 AM
Expires: Mon April 21, 2025, 12:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued April 20 at 2:39AM EDT until April 21 at 12:00AM EDT by NWS Jacksonville FL

Effective: Sun April 20, 2025, 2:39 AM
Expires: Mon April 21, 2025, 12:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Sunday, April 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.8°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 15.13 μg/m3
PM10: 22.64 μg/m3
Carbon Monoxide: 267.58 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 107.12 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 4 mins
Moonrise: 2:14 AM
Moon Transit: 7:15 AM
Moonset: 12:21 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
8:22 PM - 10:52 PM

Minor Periods

11:51 AM - 1:21 PM
1:44 AM - 3:14 AM

Action Rating: 4 out of 5

Monday, April 21, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 71.5°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 13.6 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 14.01 μg/m3
PM10: 20.58 μg/m3
Carbon Monoxide: 259.59 μg/m3
Nitrogen Dioxide: 4.06 μg/m3
Sulphur Dioxide: 3.57 μg/m3
Ozone: 104.72 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:24 PM
Sunset: 7:57 PM
Daylight: 13 hrs 6 mins
Moonrise: 2:56 AM
Moon Transit: 8:07 AM
Moonset: 1:25 PM
Moon Phase: Last Quarter
Moon Illumination: 27.2%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
9:14 PM - 11:44 PM

Minor Periods

12:55 AM - 2:25 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Tuesday, April 22, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 71.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 15.67 μg/m3
PM10: 22.75 μg/m3
Carbon Monoxide: 276.24 μg/m3
Nitrogen Dioxide: 5.31 μg/m3
Sulphur Dioxide: 4.43 μg/m3
Ozone: 96.48 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:24 PM
Sunset: 7:58 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:34 AM
Moon Transit: 8:58 AM
Moonset: 2:30 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

8:28 AM - 10:58 AM
12:00 AM - 12:00 AM

Minor Periods

2:00 PM - 3:30 PM
3:04 AM - 4:34 AM

Action Rating: 2 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 70.8°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 16.3 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.72 μg/m3
PM10: 23.32 μg/m3
Carbon Monoxide: 274.98 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 4.22 μg/m3
Ozone: 93.72 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:23 PM
Sunset: 7:59 PM
Daylight: 13 hrs 9 mins
Moonrise: 4:09 AM
Moon Transit: 9:48 AM
Moonset: 3:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:18 AM - 11:48 AM

Minor Periods

3:06 PM - 4:36 PM
3:39 AM - 5:09 AM

Action Rating: 2 out of 5

Thursday, April 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 73.3°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 19.06 μg/m3
PM10: 26.58 μg/m3
Carbon Monoxide: 272.95 μg/m3
Nitrogen Dioxide: 5.52 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 80.38 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:23 PM
Sunset: 7:59 PM
Daylight: 13 hrs 11 mins
Moonrise: 4:42 AM
Moon Transit: 10:37 AM
Moonset: 4:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:07 AM - 12:37 AM

Minor Periods

4:13 PM - 5:43 PM
4:12 AM - 5:42 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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