Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

82.6°F

Measurement Time: Thursday, June 18, 2026, 6:54 AM CDT

Today's Tides

Low: June 18, 4:40 AM, -0.2 ft
 High: June 18, 3:31 PM, 1.4 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

82.9°F
Partly cloudy
Partly cloudy
93.4°F
95.4°F
91%
SSW 18.8 mph
26.6 mph
83.7°F
79.1°F
0 in
50%
8 mi
1005 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 87°F
L: 83°F
Sunny
Fri
H: 85°F
L: 83°F
Patchy rain nearby
Sat
H: 85°F
L: 82°F
Patchy rain nearby
Sun
H: 84°F
L: 82°F
Partly Cloudy
Mon
H: 84°F
L: 82°F

Air Quality

AQI: 1 - Good
PM2.5: 15.7 μg/m3
PM10: 20.3 μg/m3
Carbon Monoxide: 112 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:19 PM
Sunset: 8:21 PM
Daylight: 14 hrs 2 mins
Moonrise: 10:07 AM
Moon Transit: 5:01 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
4:31 PM - 7:01 PM

Minor Periods

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

Action Rating: 3 out of 5

Coastal Flood Advisory issued June 17 at 6:55PM CDT until June 18 at 3:00AM CDT by NWS Houston/Galveston TX

Effective: Wed June 17, 2026, 6:55 PM
Expires: Thu June 18, 2026, 3:00 AM

* WHAT...Minor coastal flooding expected. * WHERE...Matagorda Peninsula, Brazoria County beaches, and Galveston Island. * WHEN...Until 3 AM CDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Elevated water levels may result in minor coastal, especially during times of high tide.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued June 17 at 6:55PM CDT until June 18 at 3:00AM CDT by NWS Houston/Galveston TX

Effective: Wed June 17, 2026, 6:55 PM
Expires: Thu June 18, 2026, 3:00 AM

* WHAT...Minor coastal flooding. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Until 3 AM CDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Elevated water levels may result in minor coastal, especially during times of high tide.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Thursday, June 18, 2026

Weather Forecast

Sunny
86.5°F
83.1°F
84.1°F
87%
0 in
15%
0%
21.9 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 12.72 μg/m3
PM10: 17.7 μg/m3
Carbon Monoxide: 112.5 μg/m3
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 79.88 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:19 PM
Sunset: 8:21 PM
Daylight: 14 hrs 2 mins
Moonrise: 10:07 AM
Moon Transit: 5:01 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
4:31 PM - 7:01 PM

Minor Periods

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

Action Rating: 3 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
85.2°F
82.7°F
83.8°F
84%
0 in
15%
0%
18.8 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 11.32 μg/m3
PM10: 16.64 μg/m3
Carbon Monoxide: 104.33 μg/m3
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 59.25 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:19 PM
Sunset: 8:21 PM
Daylight: 14 hrs 2 mins
Moonrise: 11:13 AM
Moon Transit: 5:51 PM
Moonset: 12:47 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

4:19 AM - 6:49 AM
5:21 PM - 7:51 PM

Minor Periods

10:43 AM - 12:13 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, June 20, 2026

Weather Forecast

Patchy rain nearby
85°F
82.1°F
83.2°F
81%
0.02 in
49%
0%
16.8 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 7.91 μg/m3
PM10: 12.23 μg/m3
Carbon Monoxide: 98.42 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 48.58 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:19 PM
Sunset: 8:21 PM
Daylight: 14 hrs 2 mins
Moonrise: 12:15 AM
Moon Transit: 6:36 PM
Moonset: 12:21 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
6:06 PM - 8:36 PM

Minor Periods

11:45 AM - 1:15 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
84.1°F
82.1°F
83.3°F
82%
0.02 in
38%
0%
20.4 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 9.65 μg/m3
PM10: 14.74 μg/m3
Carbon Monoxide: 106.59 μg/m3
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 55.38 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:19 PM
Sunset: 8:21 PM
Daylight: 14 hrs 2 mins
Moonrise: 1:13 PM
Moon Transit: 7:19 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
6:49 PM - 9:19 PM

Minor Periods

12:43 AM - 2:13 PM
12:21 AM - 1:51 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Partly Cloudy
84.2°F
82.3°F
83.2°F
79%
0 in
18%
0%
21.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 8.09 μg/m3
PM10: 12.13 μg/m3
Carbon Monoxide: 128.25 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:20 PM
Sunset: 8:22 PM
Daylight: 14 hrs 2 mins
Moonrise: 2:10 PM
Moon Transit: 8:02 PM
Moonset: 1:19 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
7:32 PM - 10:02 PM

Minor Periods

1:40 PM - 3:10 PM
12:49 AM - 2:19 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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