Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

90.1°F

Measurement Time: Sunday, August 17, 2025, 1:06 PM CDT

Today's Tides

High: August 17, 7:58 AM, 1.66 ft
 Low: August 17, 9:20 PM, -0.29 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

91.9°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 60%
Feels Like: 119.1°F
Wind: SSW 2.7 mph
Wind Gusts: 3.7 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 10.8

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 89°F
L: 84°F
Heavy rain
Mon
H: 92°F
L: 77°F
Patchy rain nearby
Tue
H: 92°F
L: 75°F
Moderate rain
Wed
H: 87°F
L: 82°F
Moderate rain
Thu
H: 87°F
L: 81°F

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 11.66 μg/m3
PM10: 18.69 μg/m3
Carbon Monoxide: 192.4 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:22 PM
Sunset: 7:56 PM
Daylight: 13 hrs 8 mins
Moonrise: 12:51 AM
Moon Transit: 8:14 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
7:37 PM - 10:07 PM

Minor Periods

3:12 PM - 4:42 PM
12:21 AM - 1:51 AM

Action Rating: 3 out of 5

Sunday, August 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 86.1°F
Average Humidity: 84%
Chance of Rain: 63%
Wind: 10.1 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 11.61 μg/m3
PM10: 18.43 μg/m3
Carbon Monoxide: 193.51 μg/m3
Nitrogen Dioxide: 6.17 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 56.88 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:22 PM
Sunset: 7:56 PM
Daylight: 13 hrs 8 mins
Moonrise: 12:51 AM
Moon Transit: 8:14 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
7:37 PM - 10:07 PM

Minor Periods

3:12 PM - 4:42 PM
12:21 AM - 1:51 AM

Action Rating: 3 out of 5

Monday, August 18, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 82.7°F
Average Humidity: 87%
Chance of Rain: 87%
Wind: 13.4 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 13.67 μg/m3
PM10: 18.14 μg/m3
Carbon Monoxide: 209.05 μg/m3
Nitrogen Dioxide: 11.91 μg/m3
Sulphur Dioxide: 4.68 μg/m3
Ozone: 72.08 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:21 PM
Sunset: 7:55 PM
Daylight: 13 hrs 7 mins
Moonrise: 1:47 AM
Moon Transit: 9:16 AM
Moonset: 4:46 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
8:39 PM - 11:09 PM

Minor Periods

4:16 PM - 5:46 PM
1:17 AM - 2:47 AM

Action Rating: 2 out of 5

Tuesday, August 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 83.1°F
Average Humidity: 76%
Chance of Rain: 68%
Wind: 11 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 25.66 μg/m3
PM10: 27.72 μg/m3
Carbon Monoxide: 288.67 μg/m3
Nitrogen Dioxide: 12 μg/m3
Sulphur Dioxide: 4.66 μg/m3
Ozone: 110.56 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:21 PM
Sunset: 7:54 PM
Daylight: 13 hrs 5 mins
Moonrise: 2:50 AM
Moon Transit: 10:17 AM
Moonset: 5:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:47 AM - 12:17 AM

Minor Periods

5:12 PM - 6:42 PM
2:20 AM - 3:50 AM

Action Rating: 2 out of 5

Wednesday, August 20, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 84.9°F
Average Humidity: 76%
Chance of Rain: 84%
Wind: 13.2 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 35.06 μg/m3
PM10: 36.74 μg/m3
Carbon Monoxide: 335.44 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 5.99 μg/m3
Ozone: 138.8 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:21 PM
Sunset: 7:53 PM
Daylight: 13 hrs 4 mins
Moonrise: 3:56 AM
Moon Transit: 11:16 AM
Moonset: 6:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

6:00 PM - 7:30 PM
3:26 AM - 4:56 AM

Action Rating: 3 out of 5

Thursday, August 21, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 83.9°F
Average Humidity: 71%
Chance of Rain: 89%
Wind: 10.7 mph
UV Index: 6

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 53.72 μg/m3
PM10: 55.1 μg/m3
Carbon Monoxide: 446.42 μg/m3
Nitrogen Dioxide: 13.43 μg/m3
Sulphur Dioxide: 3.76 μg/m3
Ozone: 118.23 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:21 PM
Sunset: 7:52 PM
Daylight: 13 hrs 2 mins
Moonrise: 5:03 AM
Moon Transit: 12:10 AM
Moonset: 7:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:40 AM - 2:10 PM

Minor Periods

6:41 PM - 8:11 PM
4:33 AM - 6:03 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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