Water Temperature of Galveston Bay in Galveston, TX
Current Water Temperature
Measurement Time: Sunday, March 23, 2025, 2:00 AM CDT
Temperature Locations
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Local Points of Interest
Seawolf Park; Pelican IslandSponsored Content
Station Name: Galveston Bay site BOLI nr Galveston, TX
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
Seawolf Parkway
Galveston, TX 77555
Galveston County
GPS Coordinates: 29.3416, -94.7833
Nearby Water Temperatures
Port of Galveston, Galveston, TX (2.3 mi)Bolivar Roads, Galveston, TX (3.7 mi)
Galveston Bay, Galveston, TX (7.4 mi)
Galveston Bay, San Leon, TX (12.5 mi)
Rollover Pass, Port Bolivar, TX (20.2 mi)
Trinity Bay, Anahuac, TX (22.2 mi)
Trinity Bay, Baytown, TX (23.1 mi)
San Jacinto River, La Porte, TX (26.4 mi)
San Luis Pass, Freeport, TX (27.6 mi)
Galveston Bay, High Island, TX (29.4 mi)
Old River, Wallisville, TX (32.0 mi)
Trinity River, Wallisville, TX (32.7 mi)
Old River Lake, Cove, TX (33.8 mi)
Lake Charlotte, Wallisville, TX (36.6 mi)
Old River Cutoff, Moss Bluff, TX (38.7 mi)
Weather for Galveston, Texas
Current Weather

Humidity: 77%
Feels Like: 97.4°F
Wind: S 15.7 mph
Wind Gusts: 21.5 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 88°F
L: 82°F

Wed
H: 86°F
L: 82°F

Thu
H: 83°F
L: 82°F

Fri
H: 84°F
L: 81°F

Sat
H: 84°F
L: 82°F
Air Quality
Nitrogen Dioxide: 2.41 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 53 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:17 PM
Daylight: 13 hrs 43 mins
Moon Transit: 11:27 AM
Moonset: 6:55 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
6:25 PM - 7:55 PM3:28 AM - 4:58 AM
Action Rating: 3 out of 5
Heat Advisory issued July 21 at 11:53AM CDT until July 22 at 7:00PM CDT by NWS Lake Charles LA
Effective: Mon July 21, 2025, 11:53 AM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...From 10 AM to 7 PM CDT Tuesday. * 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 21 at 11:53AM CDT until July 22 at 7:00PM CDT by NWS Lake Charles LA
Effective: Mon July 21, 2025, 11:53 AM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Heat index values from 105 to 108 expected. * WHERE...In Louisiana, Lower Iberia, Lower St. Mary, East Cameron, Lower Vermilion, and West Cameron Parishes. In Texas, Lower Jefferson County. * WHEN...From 10 AM to 7 PM CDT Tuesday. * 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 21 at 11:53AM CDT until July 22 at 7:00PM CDT by NWS Lake Charles LA
Effective: Mon July 21, 2025, 11:53 AM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...From 10 AM to 7 PM CDT Tuesday. * 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 21 at 11:53AM CDT until July 22 at 7:00PM CDT by NWS Lake Charles LA
Effective: Mon July 21, 2025, 11:53 AM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Heat index values from 105 to 108 expected. * WHERE...In Louisiana, Lower Iberia, Lower St. Mary, East Cameron, Lower Vermilion, and West Cameron Parishes. In Texas, Lower Jefferson County. * WHEN...From 10 AM to 7 PM CDT Tuesday. * 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: 83.7°F
Average Humidity: 87%
Wind: 15.7 mph
UV Index: 2.9
Air Quality
Nitrogen Dioxide: 2.26 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 57.32 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:17 PM
Daylight: 13 hrs 43 mins
Moon Transit: 11:27 AM
Moonset: 6:55 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
6:25 PM - 7:55 PM3:28 AM - 4:58 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 83.1°F
Average Humidity: 86%
Wind: 13.4 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 59.2 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:17 PM
Daylight: 13 hrs 42 mins
Moon Transit: 12:29 AM
Moonset: 7:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:59 AM - 2:29 PM
Minor Periods
7:20 PM - 8:50 PM4:34 AM - 6:04 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82.4°F
Average Humidity: 87%
Wind: 17.9 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 67.32 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:16 PM
Daylight: 13 hrs 41 mins
Moon Transit: 1:27 PM
Moonset: 8:36 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:57 AM - 3:27 PM
Minor Periods
8:06 PM - 9:36 PM5:42 AM - 7:12 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 82.7°F
Average Humidity: 77%
Wind: 17.9 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 53.85 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:16 PM
Daylight: 13 hrs 40 mins
Moon Transit: 2:20 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM1:50 PM - 4:20 PM
Minor Periods
8:44 PM - 10:14 PM6:49 AM - 8:19 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 83.4°F
Average Humidity: 73%
Wind: 15.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:15 PM
Daylight: 13 hrs 39 mins
Moon Transit: 3:09 PM
Moonset: 9:47 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
1:36 AM - 4:06 AM2:39 PM - 5:09 PM
Minor Periods
9:17 PM - 10:47 PM7:53 AM - 9:23 AM
Action Rating: 3 out of 5