Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Tuesday, October 7, 2025, 11:18 PM EDT
Today's Tides
Low: October 7, 2:38 AM, 0.04 ft
High: October 7, 9:12 AM, 6.17 ft
Low: October 7, 3:09 PM, 0.21 ft
High: October 7, 9:36 PM, 5.73 ft
Temperature Locations
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Local Points of Interest
Mayport, FL; Mayport Naval Station; Huguenot Memorial ParkSponsored Content
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

Humidity: 82%
Feels Like: 82.7°F
Wind: E 7.4 mph
Wind Gusts: 11.4 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 84°F
L: 75°F

Wed
H: 82°F
L: 73°F

Thu
H: 80°F
L: 75°F

Fri
H: 75°F
L: 73°F

Sat
H: 75°F
L: 69°F
Air Quality
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:03 PM
Daylight: 11 hrs 41 mins
Moon Transit: 1:12 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:42 AM - 3:12 AM2:19 PM - 4:49 PM
Minor Periods
6:50 PM - 8:20 PM7:19 AM - 8:49 AM
Action Rating: 5 out of 5
Rip Current Statement issued October 7 at 1:49PM EDT until October 9 at 5:00AM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding during times of high tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval County. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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.
Coastal Flood Advisory issued October 7 at 1:49PM EDT until October 8 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...Minor coastal flooding during times of high tide. * WHERE...Inland Flagler, Eastern Clay, Trout River, South Central Duval and Western St. Johns Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
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.
Coastal Flood Advisory issued October 7 at 1:49PM EDT until October 8 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding during times of high tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval County. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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.
Coastal Flood Advisory issued October 7 at 7:55PM EDT until October 8 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 7:55 PM
Expires: Wed October 8, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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.
Coastal Flood Advisory issued October 7 at 7:55PM EDT until October 8 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 7:55 PM
Expires: Wed October 8, 2025, 5:00 AM
* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
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 7 at 7:55PM EDT until October 9 at 5:00AM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 7:55 PM
Expires: Wed October 8, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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 October 7 at 1:49PM EDT until October 9 at 5:00AM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding during times of high tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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.
Coastal Flood Advisory issued October 7 at 1:49PM EDT until October 8 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding during times of high tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT Wednesday. For the High Rip Current Risk, through late Wednesday night. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
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. 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 October 7 at 1:49PM EDT until October 9 at 5:00AM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Wed October 8, 2025, 3:30 AM
* WHAT...Dangerous rip currents. * WHERE...Coastal Nassau County. * 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.
Rip Current Statement issued October 7 at 7:55PM EDT until October 9 at 5:00AM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 7:55 PM
Expires: Wed October 8, 2025, 5:00 AM
* WHAT...Dangerous rip currents. * WHERE...Coastal Nassau County. * 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.
Rip Current Statement issued October 7 at 1:49PM EDT until October 7 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue October 7, 2025, 1:49 PM
Expires: Tue October 7, 2025, 8:00 PM
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...Until 8 PM EDT 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.
Weather Forecast
Average Temperature: 78.5°F
Average Humidity: 83%
Wind: 13.2 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 74.6 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:03 PM
Daylight: 11 hrs 41 mins
Moon Transit: 1:12 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:42 AM - 3:12 AM2:19 PM - 4:49 PM
Minor Periods
6:50 PM - 8:20 PM7:19 AM - 8:49 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.9°F
Average Humidity: 83%
Wind: 9.8 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 76.44 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:02 PM
Daylight: 11 hrs 39 mins
Moon Transit: 2:05 AM
Moonset: 9:01 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:35 AM - 4:05 AM3:14 PM - 5:44 PM
Minor Periods
7:29 PM - 8:59 PM8:31 AM - 10:01 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 77.1°F
Average Humidity: 82%
Wind: 17.7 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 5.63 μg/m3
Sulphur Dioxide: 2.79 μg/m3
Ozone: 69.48 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:01 PM
Daylight: 11 hrs 37 mins
Moon Transit: 3:02 AM
Moonset: 10:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
2:32 AM - 5:02 AM4:13 PM - 6:43 PM
Minor Periods
8:14 PM - 9:44 PM9:45 AM - 11:15 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.9°F
Average Humidity: 85%
Wind: 21 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 85.36 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:00 PM
Daylight: 11 hrs 35 mins
Moon Transit: 4:02 AM
Moonset: 11:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
3:32 AM - 6:02 AM5:16 PM - 7:46 PM
Minor Periods
9:07 PM - 10:37 PM10:58 AM - 12:28 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 72.6°F
Average Humidity: 76%
Wind: 20.8 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 75.38 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 6:59 PM
Daylight: 11 hrs 33 mins
Moon Transit: 5:06 AM
Moonset: 12:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
4:36 AM - 7:06 AM6:20 PM - 8:50 PM
Minor Periods
10:08 PM - 11:38 PM12:09 AM - 1:39 PM
Action Rating: 3 out of 5