Water Temperature of Galveston Bay in San Leon, TX
Current Water Temperature
Measurement Time: Tuesday, July 22, 2025, 2:00 PM CDT
Today's Tides
High: July 22, 10:42 AM, 1.35 ft
Temperature Locations
View Nearby Locations View All Texas Locations View Locations Near Me
Local Points of Interest
Trinity Bay; East Bay; Dickinson BaySponsored Content
Station Name: Eagle Point, Galveston Bay
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Sensor Depth: -4.3 feet / -1.3 meters
Nearest Address:
991 5th St
San Leon, TX 77539
Galveston County
GPS Coordinates: 29.480000, -94.918306
Nearby Water Temperatures
Galveston Bay, Galveston, TX (12.3 mi)Galveston Bay, Galveston, TX (12.5 mi)
Trinity Bay, Baytown, TX (13.7 mi)
Port of Galveston, Galveston, TX (13.9 mi)
Bolivar Roads, Galveston, TX (14.4 mi)
San Jacinto River, La Porte, TX (14.5 mi)
Trinity Bay, Anahuac, TX (16.2 mi)
Rollover Pass, Port Bolivar, TX (24.5 mi)
Old River, Wallisville, TX (24.7 mi)
Old River Lake, Cove, TX (25.3 mi)
Trinity River, Wallisville, TX (25.6 mi)
Buffalo Bayou, Houston, TX (26.9 mi)
Lake Charlotte, Wallisville, TX (29.4 mi)
San Luis Pass, Freeport, TX (30.4 mi)
Old River Cutoff, Moss Bluff, TX (30.5 mi)
Weather for San Leon, Texas
Current Weather

Humidity: 68%
Feels Like: 103.5°F
Wind: SSE 10.5 mph
Wind Gusts: 12.1 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 11.2
Five Day Weather Forecast

Tue
H: 93°F
L: 82°F

Wed
H: 93°F
L: 79°F

Thu
H: 89°F
L: 78°F

Fri
H: 86°F
L: 78°F

Sat
H: 87°F
L: 82°F
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 55 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:18 PM
Daylight: 13 hrs 44 mins
Moon Transit: 11:27 AM
Moonset: 6:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:57 AM - 1:27 PM
Minor Periods
6:26 PM - 7:56 PM3:28 AM - 4:58 AM
Action Rating: 3 out of 5
Heat Advisory issued July 22 at 12:25PM CDT until July 22 at 7:00PM CDT by NWS Lake Charles LA
Effective: Tue July 22, 2025, 12:25 PM
Expires: Tue July 22, 2025, 8:30 PM
* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 22 at 12:25PM CDT until July 23 at 7:00PM CDT by NWS Lake Charles LA
Effective: Tue July 22, 2025, 12:25 PM
Expires: Tue July 22, 2025, 8:30 PM
* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Average Temperature: 85.8°F
Average Humidity: 77%
Wind: 12.8 mph
UV Index: 2.9
Air Quality
Nitrogen Dioxide: 2.46 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 57.24 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:18 PM
Daylight: 13 hrs 44 mins
Moon Transit: 11:27 AM
Moonset: 6:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:57 AM - 1:27 PM
Minor Periods
6:26 PM - 7:56 PM3:28 AM - 4:58 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 84.7°F
Average Humidity: 79%
Wind: 11.9 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 2.94 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 59.36 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:18 PM
Daylight: 13 hrs 43 mins
Moon Transit: 12:30 AM
Moonset: 7:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 2:30 PM
Minor Periods
7:21 PM - 8:51 PM4:34 AM - 6:04 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 83.1°F
Average Humidity: 78%
Wind: 20.6 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 69.2 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:17 PM
Daylight: 13 hrs 42 mins
Moon Transit: 1:28 PM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:58 AM - 3:28 PM
Minor Periods
8:07 PM - 9:37 PM5:43 AM - 7:13 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 82.3°F
Average Humidity: 77%
Wind: 14.8 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 60.64 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:17 PM
Daylight: 13 hrs 40 mins
Moon Transit: 2:21 PM
Moonset: 9:15 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM1:51 PM - 4:21 PM
Minor Periods
8:45 PM - 10:15 PM6:49 AM - 8:19 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 84.4°F
Average Humidity: 70%
Wind: 14.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 67.54 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:16 PM
Daylight: 13 hrs 39 mins
Moon Transit: 3:09 PM
Moonset: 9:48 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
1:35 AM - 4:05 AM2:39 PM - 5:09 PM
Minor Periods
9:18 PM - 10:48 PM7:54 AM - 9:24 AM
Action Rating: 3 out of 5