Water Temperature of Rollover Pass in Port Bolivar, TX
Current Water Temperature
Measurement Time: Wednesday, September 17, 2025, 5:12 PM CDT
Today's Tides
High: September 17, 9:11 AM, 1.82 ft
Low: September 17, 11:32 PM, 0.17 ft
Temperature Locations
View Nearby Locations View All Texas Locations View Locations Near Me
Local Points of Interest
Rollover Bay; East Bay; Trinity Bay; Gulf of MexicoSponsored Content
Station Name: Rollover Pass
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 3 feet / 1 meters
Sensor Depth: 0.1 feet / 0.0 meters
Nearest Address:
1682 Hamilton Ave
Port Bolivar, TX 77617
Galveston County
GPS Coordinates: 29.515, -94.513
Nearby Water Temperatures
Galveston Bay, High Island, TX (9.2 mi)Bolivar Roads, Galveston, TX (16.8 mi)
Trinity Bay, Anahuac, TX (17.2 mi)
Galveston Bay, Galveston, TX (20.2 mi)
Port of Galveston, Galveston, TX (22.0 mi)
Trinity Bay, Baytown, TX (23.1 mi)
Old River, Wallisville, TX (24.3 mi)
Trinity River, Wallisville, TX (24.4 mi)
Galveston Bay, San Leon, TX (24.5 mi)
Lake Charlotte, Wallisville, TX (27.2 mi)
Galveston Bay, Galveston, TX (27.4 mi)
Old River Lake, Cove, TX (27.8 mi)
San Jacinto River, La Porte, TX (30.6 mi)
Old River Cutoff, Moss Bluff, TX (30.8 mi)
Trinity River, Liberty, TX (33.4 mi)
Weather for Port Bolivar, Texas
Current Weather

Humidity: 41%
Feels Like: 111.2°F
Wind: S 11.4 mph
Wind Gusts: 14.9 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 2
Five Day Weather Forecast

Wed
H: 90°F
L: 80°F

Thu
H: 86°F
L: 80°F

Fri
H: 86°F
L: 78°F

Sat
H: 84°F
L: 76°F

Sun
H: 84°F
L: 81°F
Air Quality
Nitrogen Dioxide: 8.33 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 108 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:20 PM
Daylight: 12 hrs 16 mins
Moon Transit: 10:05 AM
Moonset: 5:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%
Best Times for Fishing or Hunting
Major Periods
9:23 PM - 11:53 PM9:35 AM - 12:05 AM
Minor Periods
4:40 PM - 6:10 PM2:24 AM - 3:54 AM
Action Rating: 2 out of 5
Air Quality Alert issued September 16 at 1:41PM CDT by NWS Houston/Galveston TX
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue September 16, 2025, 1:41 PM
Expires: Wed September 17, 2025, 5:45 PM
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, September 17, 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
Air Quality Alert issued September 16 at 1:41PM CDT by NWS Houston/Galveston TX
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue September 16, 2025, 1:41 PM
Expires: Wed September 17, 2025, 5:45 PM
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, September 17, 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
Air Quality Alert issued September 16 at 1:41PM CDT by NWS Houston/Galveston TX
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue September 16, 2025, 1:41 PM
Expires: Wed September 17, 2025, 5:45 PM
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, September 17, 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
Air Quality Alert issued September 16 at 1:41PM CDT by NWS Houston/Galveston TX
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue September 16, 2025, 1:41 PM
Expires: Wed September 17, 2025, 5:45 PM
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, September 17, 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
Air Quality Alert issued September 16 at 1:41PM CDT by NWS Houston/Galveston TX
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue September 16, 2025, 1:41 PM
Expires: Wed September 17, 2025, 5:45 PM
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, September 17, 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
Weather Forecast
Average Temperature: 83.9°F
Average Humidity: 71%
Wind: 12.8 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 9.09 μg/m3
Sulphur Dioxide: 3.61 μg/m3
Ozone: 110.64 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:20 PM
Daylight: 12 hrs 16 mins
Moon Transit: 10:05 AM
Moonset: 5:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%
Best Times for Fishing or Hunting
Major Periods
9:23 PM - 11:53 PM9:35 AM - 12:05 AM
Minor Periods
4:40 PM - 6:10 PM2:24 AM - 3:54 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82.6°F
Average Humidity: 70%
Wind: 15.4 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 107.72 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 7:19 PM
Daylight: 12 hrs 14 mins
Moon Transit: 10:55 AM
Moonset: 5:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:25 AM - 12:55 AM
Minor Periods
5:16 PM - 6:46 PM3:28 AM - 4:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82°F
Average Humidity: 68%
Wind: 13.6 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 4.96 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 89.44 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 7:18 PM
Daylight: 12 hrs 13 mins
Moon Transit: 11:41 AM
Moonset: 6:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:11 AM - 1:41 PM
Minor Periods
5:47 PM - 7:17 PM4:29 AM - 5:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 81.2°F
Average Humidity: 74%
Wind: 12.8 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 77.72 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 7:16 PM
Daylight: 12 hrs 11 mins
Moon Transit: 12:25 AM
Moonset: 6:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:55 AM - 2:25 PM
Minor Periods
6:16 PM - 7:46 PM5:27 AM - 6:57 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 82.4°F
Average Humidity: 70%
Wind: 15 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 5.68 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 86.85 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 7:15 PM
Daylight: 12 hrs 9 mins
Moon Transit: 1:06 PM
Moonset: 7:12 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:36 AM - 3:06 PM
Minor Periods
6:42 PM - 8:12 PM6:24 AM - 7:54 AM
Action Rating: 3 out of 5