Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
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 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: 97%
Feels Like: 61°F
Wind: N 12.5 mph
Wind Gusts: 18.1 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 65°F
L: 61°F

Wed
H: 73°F
L: 56°F

Thu
H: 72°F
L: 55°F

Fri
H: 70°F
L: 52°F

Sat
H: 69°F
L: 56°F
Air Quality
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 84 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 4 mins
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 AM6:26 PM - 8:56 PM
Minor Periods
1:21 PM - 2:51 PM12:00 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.
Weather Forecast
Average Temperature: 63.9°F
Average Humidity: 92%
Wind: 15.4 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 9.6 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 67.32 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 4 mins
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 AM6:26 PM - 8:56 PM
Minor Periods
1:21 PM - 2:51 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 64°F
Average Humidity: 75%
Wind: 12.5 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 3.93 μg/m3
Ozone: 82.92 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 3 mins
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 AM7:16 PM - 9:46 PM
Minor Periods
2:00 PM - 3:30 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 63.7°F
Average Humidity: 64%
Wind: 17 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 5.42 μg/m3
Sulphur Dioxide: 3.5 μg/m3
Ozone: 82.08 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:40 PM
Daylight: 11 hrs 1 mins
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 AM8:04 PM - 10:34 PM
Minor Periods
2:35 PM - 4:05 PM12:38 AM - 2:08 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 59.8°F
Average Humidity: 54%
Wind: 12.3 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 6.61 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 73.16 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:39 PM
Daylight: 10 hrs 59 mins
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 AM8:51 PM - 11:21 PM
Minor Periods
3:07 PM - 4:37 PM1:41 AM - 3:11 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 61.6°F
Average Humidity: 48%
Wind: 7.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 15.38 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 66.23 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:38 PM
Daylight: 10 hrs 58 mins
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 AM10:26 AM - 12:56 AM
Minor Periods
3:39 PM - 5:09 PM2:43 AM - 4:13 AM
Action Rating: 2 out of 5
