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

Current Water Temperature

74.1°F

Measurement Time: Tuesday, October 28, 2025, 8:30 AM EDT

Today's Tides

 High: October 28, 1:24 AM, 4.25 ft
Low: October 28, 6:58 AM, 1.44 ft
 High: October 28, 1:57 PM, 4.90 ft
Low: October 28, 8:18 PM, 1.60 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

61°F
Overcast
Conditions: Overcast
Humidity: 97%
Feels Like: 61°F
Wind: N 12.5 mph
Wind Gusts: 18.1 mph
Pressure: 29.86 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 65°F
L: 61°F
Patchy rain nearby
Wed
H: 73°F
L: 56°F
Sunny
Thu
H: 72°F
L: 55°F
Sunny
Fri
H: 70°F
L: 52°F
Sunny
Sat
H: 69°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 4.95 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 143.85 μg/m3
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 4 mins
Moonrise: 1:51 PM
Moon Transit: 6:56 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
6:26 PM - 8:56 PM

Minor Periods

1:21 PM - 2:51 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued October 27 at 10:33PM EDT until October 30 at 1:00AM EDT by NWS Jacksonville FL

Effective: Mon October 27, 2025, 10:33 PM
Expires: Wed October 29, 2025, 6:00 AM

* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 1 AM EDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Minor, mainly nuisance tidal flooding will occur within the St. Johns River basin around high tides with inundation values of 1 to 2 ft above normally dry ground.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Rip Current Statement issued October 27 at 10:33PM EDT until October 30 at 1:00AM EDT by NWS Jacksonville FL

Effective: Mon October 27, 2025, 10:33 PM
Expires: Wed October 29, 2025, 6:00 AM

* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...Through late Wednesday night. * 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.
Tuesday, October 28, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 63.9°F
Average Humidity: 92%
Chance of Rain: 88%
Wind: 15.4 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 5.42 μg/m3
Carbon Monoxide: 152.77 μg/m3
Nitrogen Dioxide: 9.6 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 67.32 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 4 mins
Moonrise: 1:51 PM
Moon Transit: 6:56 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
6:26 PM - 8:56 PM

Minor Periods

1:21 PM - 2:51 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Wednesday, October 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 64°F
Average Humidity: 75%
Chance of Rain: 78%
Wind: 12.5 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 7.99 μg/m3
Carbon Monoxide: 155.69 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 3.93 μg/m3
Ozone: 82.92 μg/m3

Astronomical

Sunrise: 7:38 AM
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 3 mins
Moonrise: 2:30 PM
Moon Transit: 7:46 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

8:02 AM - 10:32 AM
7:16 PM - 9:46 PM

Minor Periods

2:00 PM - 3:30 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, October 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 63.7°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 17 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 5.14 μg/m3
PM10: 5.36 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 5.42 μg/m3
Sulphur Dioxide: 3.5 μg/m3
Ozone: 82.08 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 1:09 PM
Sunset: 6:40 PM
Daylight: 11 hrs 1 mins
Moonrise: 3:05 PM
Moon Transit: 8:34 PM
Moonset: 1:08 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
8:04 PM - 10:34 PM

Minor Periods

2:35 PM - 4:05 PM
12:38 AM - 2:08 AM

Action Rating: 2 out of 5

Friday, October 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.8°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 7.33 μg/m3
PM10: 7.35 μg/m3
Carbon Monoxide: 200.17 μg/m3
Nitrogen Dioxide: 6.61 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 73.16 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 1:09 PM
Sunset: 6:39 PM
Daylight: 10 hrs 59 mins
Moonrise: 3:37 PM
Moon Transit: 9:21 PM
Moonset: 2:11 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
8:51 PM - 11:21 PM

Minor Periods

3:07 PM - 4:37 PM
1:41 AM - 3:11 AM

Action Rating: 2 out of 5

Saturday, November 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.6°F
Average Humidity: 48%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.6 μg/m3
PM10: 8.64 μg/m3
Carbon Monoxide: 258.62 μg/m3
Nitrogen Dioxide: 15.38 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 66.23 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 1:09 PM
Sunset: 6:38 PM
Daylight: 10 hrs 58 mins
Moonrise: 4:09 PM
Moon Transit: 12:00 AM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:26 AM - 12:56 AM

Minor Periods

3:39 PM - 5:09 PM
2:43 AM - 4:13 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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