Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Friday, February 6, 2026, 5:06 PM EST
Today's Tides
Low: February 6, 5:19 AM, -0.2 ft
High: February 6, 11:37 AM, 4.1 ft
Low: February 6, 5:33 PM, -0.2 ft
Temperature Locations
View Nearby Locations View All Florida Locations View Locations Near Me
Local Points of Interest
Mayport, FL; Mayport Naval Station; Huguenot Memorial ParkStation Name: Mayport (Bar Pilots Dock)
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet
Sensor Depth: -6 feet
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 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

Five Day Weather Forecast

Fri
H: 67°F
L: 34°F

Sat
H: 60°F
L: 47°F

Sun
H: 55°F
L: 45°F

Mon
H: 69°F
L: 47°F

Tue
H: 66°F
L: 51°F
Air Quality
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 90 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:07 PM
Daylight: 10 hrs 54 mins
Moon Transit: 4:00 AM
Moonset: 9:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
3:30 AM - 6:00 AM5:02 PM - 7:32 PM
Minor Periods
12:00 AM - 12:00 AM9:19 AM - 10:49 AM
Action Rating: 2 out of 5
Freeze Watch issued February 6 at 12:02PM EST until February 8 at 8:00AM EST by NWS Jacksonville FL
Effective: Fri February 6, 2026, 12:02 PM
Expires: Sat February 7, 2026, 6:15 AM
* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
Take steps now to protect tender plants from the cold.
Red Flag Warning issued February 6 at 8:24AM EST until February 6 at 6:00PM EST by NWS Jacksonville FL
Effective: Fri February 6, 2026, 8:24 AM
Expires: Fri February 6, 2026, 6:00 PM
...RED FLAG WARNING TODAY FOR PORTIONS OF NORTHEAST AND NORTH CENTRAL FLORIDA AND A SMALL PORTION OF INLAND SOUTHEAST GEORGIA... The National Weather Service in Jacksonville has issued a Red Flag Warning for strong and gusty westerly surface winds and critically low humidity values, which is in effect from noon today to 6 PM EST this evening. * AFFECTED AREA...In Florida, Baker, Inland Nassau, Union, Bradford, Inland Flagler, Coastal Nassau, Coastal Duval, Eastern Clay, Eastern Putnam, Coastal Flagler, Eastern Marion, Trout River, Western Clay, Northeast Coastal St. Johns, Western Putnam, South Central Duval, Southeast Coastal St. Johns, Western Duval, Northern Inland St. Johns, Southern Inland St. Johns and Western St. Johns. In Georgia, Southern Ware and Western Charlton. * TIMING...Noon to 6 P.M. on Friday. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 25 percent. * TEMPERATURES...Up to 65. * IMPACTS...These gusty winds and critically low humidity values will combine with ongoing severe to extreme drought conditions to exacerbate the spread of ongoing or new wildfire activity this afternoon through the early evening hours tonight.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 5.12 μg/m3
Ozone: 73.6 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:07 PM
Daylight: 10 hrs 54 mins
Moon Transit: 4:00 AM
Moonset: 9:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
3:30 AM - 6:00 AM5:02 PM - 7:32 PM
Minor Periods
12:00 AM - 12:00 AM9:19 AM - 10:49 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 80 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:08 PM
Daylight: 10 hrs 55 mins
Moon Transit: 4:43 AM
Moonset: 10:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM5:45 PM - 8:15 PM
Minor Periods
9:48 AM - 11:18 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.48 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 72.48 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:09 PM
Daylight: 10 hrs 57 mins
Moon Transit: 5:26 AM
Moonset: 10:48 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
4:56 AM - 7:26 AM6:30 PM - 9:00 PM
Minor Periods
10:18 AM - 11:48 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.43 μg/m3
Sulphur Dioxide: 4.88 μg/m3
Ozone: 85.72 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:09 PM
Daylight: 10 hrs 59 mins
Moon Transit: 6:11 AM
Moonset: 11:22 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM7:16 PM - 9:46 PM
Minor Periods
10:52 AM - 12:22 AM12:27 AM - 1:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.49 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:10 PM
Daylight: 11 hrs mins
Moon Transit: 7:00 AM
Moonset: 12:02 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
6:30 AM - 9:00 AM8:05 PM - 10:35 PM
Minor Periods
11:32 AM - 1:02 PM1:24 AM - 2:54 AM
Action Rating: 2 out of 5
