Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

46.6°F

Measurement Time: Sunday, January 18, 2026, 1:48 AM CST

Today's Tides

 High: January 18, 12:32 AM, 0.8 ft
Low: January 18, 1:18 PM, -1.0 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

45°F
Clear
Clear
38.8°F
44.3°F
31%
NNE 13 mph
16.1 mph
37.7°F
36.6°F
0 in
0%
9 mi
1030 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 51°F
L: 40°F
Partly Cloudy
Mon
H: 59°F
L: 53°F
Patchy rain nearby
Tue
H: 56°F
L: 49°F
Moderate rain
Wed
H: 61°F
L: 56°F
Patchy rain nearby
Thu
H: 64°F
L: 61°F

Air Quality

PM2.5: 9.35 μg/m3
PM10: 10.75 μg/m3
Carbon Monoxide: 178.85 μg/m3
Nitrogen Dioxide: 15.25 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:28 AM
Sunset: 5:44 PM
Daylight: 10 hrs 31 mins
Moonrise: 7:19 AM
Moon Transit: 12:28 AM
Moonset: 5:42 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:58 AM - 2:28 PM

Minor Periods

5:12 PM - 6:42 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Freeze Warning issued January 17 at 10:38PM CST until January 18 at 8:00AM CST by NWS Houston/Galveston TX

Effective: Sat January 17, 2026, 10:38 PM
Expires: Sun January 18, 2026, 6:45 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Coastal Jackson, Inland Jackson, Coastal Galveston, Coastal Matagorda, and Inland Galveston Counties. * WHEN...From 4 AM to 8 AM CST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...These areas will experience their first freeze of the season.

Take steps now to protect tender plants from the cold.
Sunday, January 18, 2026

Weather Forecast

Patchy rain nearby
50.6°F
40.2°F
45.9°F
49%
0.01 in
69%
0%
15.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 8.52 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 164.33 μg/m3
Nitrogen Dioxide: 10.08 μg/m3
Sulphur Dioxide: 3.61 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:28 AM
Sunset: 5:44 PM
Daylight: 10 hrs 31 mins
Moonrise: 7:19 AM
Moon Transit: 12:28 AM
Moonset: 5:42 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:58 AM - 2:28 PM

Minor Periods

5:12 PM - 6:42 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Partly Cloudy
59°F
52.7°F
55.4°F
55%
0 in
0%
0%
11.2 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:28 AM
Sunset: 5:45 PM
Daylight: 10 hrs 32 mins
Moonrise: 7:58 AM
Moon Transit: 1:18 PM
Moonset: 6:44 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:48 AM - 3:18 PM

Minor Periods

6:14 PM - 7:44 PM
7:28 AM - 8:58 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Patchy rain nearby
56.1°F
48.9°F
53.9°F
73%
0.04 in
86%
0%
19.7 mph
3


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:29 AM
Sunset: 5:46 PM
Daylight: 10 hrs 33 mins
Moonrise: 8:33 AM
Moon Transit: 2:05 PM
Moonset: 7:44 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:34 AM - 3:04 AM
1:35 PM - 4:05 PM

Minor Periods

7:14 PM - 8:44 PM
8:03 AM - 9:33 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Moderate rain
61°F
55.6°F
58.9°F
87%
0.41 in
88%
0%
30 mph
3


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:29 AM
Sunset: 5:47 PM
Daylight: 10 hrs 35 mins
Moonrise: 9:04 AM
Moon Transit: 2:50 PM
Moonset: 8:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
2:20 PM - 4:50 PM

Minor Periods

8:14 PM - 9:44 PM
8:34 AM - 10:04 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Patchy rain nearby
63.8°F
61.2°F
63°F
94%
0.14 in
86%
0%
24.8 mph
4


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:29 AM
Sunset: 5:48 PM
Daylight: 10 hrs 36 mins
Moonrise: 9:34 AM
Moon Transit: 3:34 PM
Moonset: 9:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

2:05 AM - 4:35 AM
3:04 PM - 5:34 PM

Minor Periods

9:13 PM - 10:43 PM
9:04 AM - 10:34 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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