Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

80.8°F

Measurement Time: Sunday, May 17, 2026, 9:30 AM CDT

Today's Tides

Low: May 17, 1:24 AM, -0.2 ft
 High: May 17, 12:20 PM, 1.9 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

81°F
Partly cloudy
Partly cloudy
89.3°F
84.4°F
82%
SSE 19.5 mph
26.2 mph
78.5°F
74.7°F
0 in
50%
9 mi
1012 mbar
1.9

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 79°F
L: 78°F
Moderate rain
Mon
H: 81°F
L: 78°F
Patchy rain nearby
Tue
H: 80°F
L: 79°F
Moderate rain
Wed
H: 80°F
L: 78°F
Patchy rain nearby
Thu
H: 80°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 13.35 μg/m3
PM10: 20.85 μg/m3
Carbon Monoxide: 123.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:14 PM
Sunset: 8:05 PM
Daylight: 13 hrs 40 mins
Moonrise: 6:46 AM
Moon Transit: 2:08 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
1:38 PM - 4:08 PM

Minor Periods

9:07 PM - 10:37 PM
6:16 AM - 7:46 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 16 at 11:34PM CDT until May 18 at 10:00AM CDT by NWS Houston/Galveston TX

Effective: Sat May 16, 2026, 11:34 PM
Expires: Sun May 17, 2026, 4:00 PM

* WHAT...High risk of rip currents and elevated tide levels. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through Monday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. High wave run up on area beaches possible. Water may briefly approach the Highway 87/124 intersection around high tide times.

Remain out of the water to avoid hazardous swimming conditions.
Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
79.3°F
78.1°F
78.6°F
89%
0.01 in
86%
0%
24.2 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 12.79 μg/m3
PM10: 19.73 μg/m3
Carbon Monoxide: 124.81 μg/m3
Nitrogen Dioxide: 1.81 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 72.52 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:14 PM
Sunset: 8:05 PM
Daylight: 13 hrs 40 mins
Moonrise: 6:46 AM
Moon Transit: 2:08 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
1:38 PM - 4:08 PM

Minor Periods

9:07 PM - 10:37 PM
6:16 AM - 7:46 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Moderate rain
80.7°F
78.3°F
79.2°F
87%
0.29 in
85%
0%
22.4 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 12.67 μg/m3
PM10: 19.23 μg/m3
Carbon Monoxide: 120.17 μg/m3
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 66.96 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:14 PM
Sunset: 8:06 PM
Daylight: 13 hrs 42 mins
Moonrise: 7:47 AM
Moon Transit: 3:16 PM
Moonset: 10:45 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
2:46 PM - 5:16 PM

Minor Periods

10:15 PM - 11:45 PM
7:17 AM - 8:47 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
80°F
78.5°F
79°F
88%
0.18 in
89%
0%
20.1 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 10.02 μg/m3
PM10: 14.99 μg/m3
Carbon Monoxide: 119.49 μg/m3
Nitrogen Dioxide: 1.96 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 69.84 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:14 PM
Sunset: 8:06 PM
Daylight: 13 hrs 43 mins
Moonrise: 8:55 AM
Moon Transit: 4:22 PM
Moonset: 11:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
3:52 PM - 6:22 PM

Minor Periods

12:00 AM - 12:00 AM
8:25 AM - 9:55 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Moderate rain
80.4°F
77.5°F
78.9°F
85%
0.21 in
86%
0%
13.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.16 μg/m3
PM10: 12.17 μg/m3
Carbon Monoxide: 115.59 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 58.76 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:14 PM
Sunset: 8:07 PM
Daylight: 13 hrs 44 mins
Moonrise: 10:07 AM
Moon Transit: 5:23 PM
Moonset: 12:44 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

3:45 AM - 6:15 AM
4:53 PM - 7:23 PM

Minor Periods

9:37 AM - 11:07 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
80.2°F
77.6°F
78.8°F
83%
0.12 in
89%
0%
16.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.22 μg/m3
PM10: 10.76 μg/m3
Carbon Monoxide: 108.16 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 49.77 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:14 PM
Sunset: 8:08 PM
Daylight: 13 hrs 45 mins
Moonrise: 11:16 AM
Moon Transit: 6:19 PM
Moonset: 12:34 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
5:49 PM - 8:19 PM

Minor Periods

10:46 AM - 12:16 AM
12:04 AM - 1:34 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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