Water Temperature of Galveston Bay in Galveston, TX

Current Water Temperature

89.1°F

Measurement Time: Friday, August 22, 2025, 4:15 AM CDT

Temperature Locations

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Local Points of Interest

Seawolf Park; Pelican Island

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Galveston Bay

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

73.9°F
Clear
Conditions: Clear
Humidity: 79%
Feels Like: 77.3°F
Wind: NNE 5.8 mph
Wind Gusts: 8.8 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 70°F
Partly Cloudy
Thu
H: 79°F
L: 79°F
Sunny
Fri
H: 84°F
L: 80°F
Patchy rain nearby
Sat
H: 81°F
L: 78°F
Patchy rain nearby
Sun
H: 80°F
L: 76°F

Air Quality

PM2.5: 9.45 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 216.85 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:04 PM
Sunset: 6:49 PM
Daylight: 11 hrs 28 mins
Moonrise: 1:53 AM
Moon Transit: 8:54 AM
Moonset: 3:49 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:09 PM - 10:39 PM

Minor Periods

3:19 PM - 4:49 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Air Quality Alert issued October 14 at 3:18PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue October 14, 2025, 3:18 PM
Expires: Wed October 15, 2025, 7:30 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, October 15, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Wednesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Wednesday, October 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77.4°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 9.74 μg/m3
PM10: 11.13 μg/m3
Carbon Monoxide: 188.25 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 3.83 μg/m3
Ozone: 136.6 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:04 PM
Sunset: 6:49 PM
Daylight: 11 hrs 28 mins
Moonrise: 1:53 AM
Moon Transit: 8:54 AM
Moonset: 3:49 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:09 PM - 10:39 PM

Minor Periods

3:19 PM - 4:49 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 79.1°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 12.14 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 159.01 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 135.64 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:04 PM
Sunset: 6:48 PM
Daylight: 11 hrs 26 mins
Moonrise: 2:55 AM
Moon Transit: 9:41 AM
Moonset: 4:21 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:54 PM - 11:24 PM
9:11 AM - 11:41 AM

Minor Periods

3:51 PM - 5:21 PM
2:25 AM - 3:55 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80.5°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 19.5 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 10.83 μg/m3
PM10: 14.85 μg/m3
Carbon Monoxide: 124.45 μg/m3
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 109.4 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:04 PM
Sunset: 6:47 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:53 AM
Moon Transit: 10:25 AM
Moonset: 4:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:55 AM - 12:25 AM

Minor Periods

4:20 PM - 5:50 PM
3:23 AM - 4:53 AM

Action Rating: 2 out of 5

Saturday, October 18, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 79.7°F
Average Humidity: 77%
Chance of Rain: 88%
Wind: 18.3 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 8.23 μg/m3
PM10: 11.52 μg/m3
Carbon Monoxide: 118.85 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 94.54 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:04 PM
Sunset: 6:46 PM
Daylight: 11 hrs 23 mins
Moonrise: 4:49 AM
Moon Transit: 11:06 AM
Moonset: 5:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:36 AM - 1:06 PM

Minor Periods

4:47 PM - 6:17 PM
4:19 AM - 5:49 AM

Action Rating: 3 out of 5

Sunday, October 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 78°F
Average Humidity: 78%
Chance of Rain: 69%
Wind: 13 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:04 PM
Sunset: 6:45 PM
Daylight: 11 hrs 21 mins
Moonrise: 5:43 AM
Moon Transit: 11:46 AM
Moonset: 5:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:16 AM - 1:46 PM

Minor Periods

5:13 PM - 6:43 PM
5:13 AM - 6:43 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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