Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

86.2°F

Measurement Time: Tuesday, August 5, 2025, 9:12 AM CDT

Today's Tides

High: August 5, 10:12 AM, 1.54 ft
 Low: August 5, 11:57 PM, -0.27 ft

Temperature Locations

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Local Points of Interest

Rollover Bay; East Bay; Trinity Bay; Gulf of Mexico

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Rollover Pass

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

78.1°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 90%
Feels Like: 81.9°F
Wind: ENE 8.3 mph
Wind Gusts: 11.1 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.8

Five Day Weather Forecast

Partly Cloudy
Tue
H: 89°F
L: 81°F
Partly Cloudy
Wed
H: 87°F
L: 81°F
Moderate rain
Thu
H: 87°F
L: 82°F
Patchy rain nearby
Fri
H: 87°F
L: 82°F
Sunny
Sat
H: 86°F
L: 83°F

Air Quality

AQI: 1 - Good
PM2.5: 30.53 μg/m3
PM10: 32.01 μg/m3
Carbon Monoxide: 432.9 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 168 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:24 PM
Sunset: 8:07 PM
Daylight: 13 hrs 26 mins
Moonrise: 5:44 PM
Moon Transit: 10:43 PM
Moonset: 2:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:08 AM - 11:38 AM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Air Quality Alert issued August 4 at 2:14PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 2:14 PM
Expires: Tue August 5, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 5, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. 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 August 4 at 2:14PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 2:14 PM
Expires: Tue August 5, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 5, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. 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 August 4 at 2:14PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 2:14 PM
Expires: Tue August 5, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 5, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. 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 August 4 at 2:14PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 2:14 PM
Expires: Tue August 5, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 5, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. 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 August 4 at 2:14PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 2:14 PM
Expires: Tue August 5, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 5, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. 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


Tuesday, August 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.7°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 29.42 μg/m3
PM10: 30.96 μg/m3
Carbon Monoxide: 409.66 μg/m3
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 126.72 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:24 PM
Sunset: 8:07 PM
Daylight: 13 hrs 26 mins
Moonrise: 5:44 PM
Moon Transit: 10:43 PM
Moonset: 2:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:08 AM - 11:38 AM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.2°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 23 μg/m3
PM10: 25.78 μg/m3
Carbon Monoxide: 372.96 μg/m3
Nitrogen Dioxide: 6.79 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 109.96 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:23 PM
Sunset: 8:06 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:35 PM
Moon Transit: 11:38 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
12:00 AM - 12:00 AM

Minor Periods

6:05 PM - 7:35 PM
3:13 AM - 4:43 AM

Action Rating: 2 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 84.2°F
Average Humidity: 77%
Chance of Rain: 89%
Wind: 12.3 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 10.66 μg/m3
PM10: 13.51 μg/m3
Carbon Monoxide: 270.32 μg/m3
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 80.48 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:23 PM
Sunset: 8:06 PM
Daylight: 13 hrs 24 mins
Moonrise: 7:20 PM
Moon Transit: 12:00 AM
Moonset: 4:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:57 AM - 1:27 PM

Minor Periods

6:50 PM - 8:20 PM
4:15 AM - 5:45 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.7°F
Average Humidity: 71%
Chance of Rain: 85%
Wind: 13.6 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 12.76 μg/m3
Carbon Monoxide: 206.31 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:23 PM
Sunset: 8:05 PM
Daylight: 13 hrs 22 mins
Moonrise: 8:00 PM
Moon Transit: 12:32 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
11:50 AM - 2:20 PM

Minor Periods

7:30 PM - 9:00 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 10.76 μg/m3
Carbon Monoxide: 267.4 μg/m3
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 64.08 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:23 PM
Sunset: 8:04 PM
Daylight: 13 hrs 21 mins
Moonrise: 8:36 PM
Moon Transit: 1:23 AM
Moonset: 6:53 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:41 AM - 3:11 PM

Minor Periods

8:06 PM - 9:36 PM
6:23 AM - 7:53 AM

Action Rating: 5 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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