Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

70.2°F

Measurement Time: Sunday, April 19, 2026, 3:48 AM CDT

Today's Tides

Low: April 19, 2:28 AM, -0.1 ft
 High: April 19, 1:47 PM, 1.7 ft

Temperature Locations

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Local Points of Interest

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

Rollover Pass

Station Name: Rollover Pass
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 3 feet

Sensor Depth: 0 feet

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 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

61°F
Overcast
Overcast
61°F
62°F
90%
NNE 28.2 mph
34.1 mph
62°F
59.9°F
0 in
100%
9 mi
1022 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 74°F
L: 56°F
Moderate rain
Mon
H: 72°F
L: 67°F
Heavy rain
Tue
H: 71°F
L: 67°F
Patchy rain nearby
Wed
H: 75°F
L: 71°F
Patchy rain nearby
Thu
H: 76°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 7.65 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:17 PM
Sunset: 7:47 PM
Daylight: 13 hrs mins
Moonrise: 8:06 AM
Moon Transit: 3:23 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
2:53 PM - 5:23 PM

Minor Periods

10:18 PM - 11:48 PM
7:36 AM - 9:06 AM

Action Rating: 2 out of 5

Wind Advisory issued April 18 at 8:28PM CDT until April 19 at 12:00PM CDT by NWS Houston/Galveston TX

Effective: Sat April 18, 2026, 8:28 PM
Expires: Sun April 19, 2026, 12:00 PM

* WHAT...Northeast winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Bolivar Peninsula, Brazoria Islands, Galveston Island, and Matagorda Islands Counties. * WHEN...Until noon CDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
73.6°F
56.1°F
65°F
66%
0.02 in
84%
0%
28.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.53 μg/m3
PM10: 9.19 μg/m3
Carbon Monoxide: 153.45 μg/m3
Nitrogen Dioxide: 2.82 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 90.56 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:17 PM
Sunset: 7:47 PM
Daylight: 13 hrs mins
Moonrise: 8:06 AM
Moon Transit: 3:23 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
2:53 PM - 5:23 PM

Minor Periods

10:18 PM - 11:48 PM
7:36 AM - 9:06 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Moderate rain
71.6°F
66.9°F
68.7°F
63%
0.22 in
89%
0%
18.6 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 7.59 μg/m3
PM10: 9.68 μg/m3
Carbon Monoxide: 153.61 μg/m3
Nitrogen Dioxide: 3.51 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 99.52 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:16 PM
Sunset: 7:48 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:01 AM
Moon Transit: 4:28 PM
Moonset: 11:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

2:47 AM - 5:17 AM
3:58 PM - 6:28 PM

Minor Periods

12:00 AM - 12:00 AM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Heavy rain
70.7°F
67.2°F
69.6°F
82%
1.41 in
86%
0%
18.6 mph
4.1


Air Quality

AQI: 1 - Good
PM2.5: 8.02 μg/m3
PM10: 13.28 μg/m3
Carbon Monoxide: 145.29 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 103.92 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:16 PM
Sunset: 7:49 PM
Daylight: 13 hrs 3 mins
Moonrise: 10:04 AM
Moon Transit: 5:32 PM
Moonset: 12:57 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
5:02 PM - 7:32 PM

Minor Periods

9:34 AM - 11:04 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
74.9°F
70.8°F
72.8°F
81%
0.08 in
89%
0%
19.2 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 10.4 μg/m3
PM10: 15.87 μg/m3
Carbon Monoxide: 140.71 μg/m3
Nitrogen Dioxide: 1.87 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 107.56 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:16 PM
Sunset: 7:49 PM
Daylight: 13 hrs 5 mins
Moonrise: 11:11 AM
Moon Transit: 6:35 PM
Moonset: 1:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
6:05 PM - 8:35 PM

Minor Periods

10:41 AM - 12:11 AM
12:30 AM - 2:00 AM

Action Rating: 2 out of 5

Thursday, April 23, 2026

Weather Forecast

Patchy rain nearby
75.7°F
72.3°F
73.8°F
79%
0.04 in
80%
0%
19 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 12.39 μg/m3
Carbon Monoxide: 134.76 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 97.08 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:16 PM
Sunset: 7:50 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:20 AM
Moon Transit: 7:32 PM
Moonset: 1:53 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
7:02 PM - 9:32 PM

Minor Periods

11:50 AM - 1:20 PM
1:23 AM - 2:53 AM

Action Rating: 2 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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