Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

86.4°F

Measurement Time: Sunday, August 2, 2026, 4:06 AM CDT

Today's Tides

Low: August 2, 4:00 AM, 0.3 ft
 High: August 2, 10:18 AM, 1.1 ft
Low: August 2, 5:26 PM, 0.5 ft
 High: August 2, 10:05 PM, 0.9 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

84.2°F
Clear
Clear
97.2°F
97.7°F
89%
W 18.1 mph
25.6 mph
84.4°F
80.2°F
0 in
0%
10 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 92°F
L: 84°F
Sunny
Mon
H: 88°F
L: 83°F
Sunny
Tue
H: 87°F
L: 84°F
Sunny
Wed
H: 87°F
L: 84°F
Sunny
Thu
H: 87°F
L: 84°F

Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 11.2 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:24 PM
Sunset: 8:10 PM
Daylight: 13 hrs 31 mins
Moonrise: 10:32 PM
Moon Transit: 5:50 PM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
5:20 PM - 7:50 PM

Minor Periods

10:02 PM - 11:32 PM
9:51 AM - 11:21 AM

Action Rating: 4 out of 5

Small Craft Advisory issued August 1 at 7:25PM CDT until August 2 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Sat August 1, 2026, 7:25 PM
Expires: Sun August 2, 2026, 3:30 AM

* WHAT...Southwest winds 15 to 20 kt with frequent gusts up to 25 kt expected. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM. * WHEN...Until 7 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued August 1 at 2:13PM CDT until August 2 at 10:00AM CDT by NWS Lake Charles LA

Effective: Sat August 1, 2026, 2:13 PM
Expires: Sun August 2, 2026, 7:00 AM

* WHAT...West winds 15 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cameron LA to High Island TX out 20 NM, Coastal waters from Intracoastal City to Cameron LA out 20 NM, Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM and Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM. * WHEN...From 7 PM this evening to 10 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued August 2 at 12:24AM CDT until August 2 at 10:00AM CDT by NWS Lake Charles LA

Effective: Sun August 2, 2026, 12:24 AM
Expires: Sun August 2, 2026, 10:00 AM

* WHAT...West winds 15 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cameron LA to High Island TX out 20 NM, Coastal waters from Intracoastal City to Cameron LA out 20 NM, Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM and Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM. * WHEN...From 7 PM this evening to 10 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, August 2, 2026

Weather Forecast

Sunny
91.6°F
83.7°F
86.5°F
75%
0 in
7%
0%
22.6 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 11.28 μg/m3
Carbon Monoxide: 106.33 μg/m3
Nitrogen Dioxide: 4.22 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 86.17 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:24 PM
Sunset: 8:10 PM
Daylight: 13 hrs 31 mins
Moonrise: 10:32 PM
Moon Transit: 5:50 PM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
5:20 PM - 7:50 PM

Minor Periods

10:02 PM - 11:32 PM
9:51 AM - 11:21 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
88.1°F
82.6°F
85.5°F
74%
0.05 in
57%
0%
19.5 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 13.75 μg/m3
PM10: 20.45 μg/m3
Carbon Monoxide: 101.08 μg/m3
Nitrogen Dioxide: 4.12 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 71.63 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:24 PM
Sunset: 8:09 PM
Daylight: 13 hrs 29 mins
Moonrise: 11:02 PM
Moon Transit: 12:00 AM
Moonset: 11:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:06 PM - 6:36 PM

Minor Periods

12:00 AM - 12:00 AM
10:49 AM - 12:19 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
86.7°F
83.8°F
85.2°F
72%
0 in
7%
0%
17.4 mph
10.9


Air Quality

AQI: 2 - Moderate
PM2.5: 22.77 μg/m3
PM10: 51.99 μg/m3
Carbon Monoxide: 100.17 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 56.04 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:24 PM
Sunset: 8:08 PM
Daylight: 13 hrs 28 mins
Moonrise: 12:02 AM
Moon Transit: 5:37 AM
Moonset: 12:21 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
4:53 PM - 7:23 PM

Minor Periods

11:51 AM - 1:21 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
86.6°F
83.7°F
85.1°F
72%
0.01 in
17%
0%
16.6 mph
10.5


Air Quality

AQI: 2 - Moderate
PM2.5: 23.32 μg/m3
PM10: 50.33 μg/m3
Carbon Monoxide: 98.97 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 55.54 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:24 PM
Sunset: 8:07 PM
Daylight: 13 hrs 27 mins
Moonrise: 12:35 AM
Moon Transit: 6:26 AM
Moonset: 1:25 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
5:44 PM - 8:14 PM

Minor Periods

12:55 AM - 2:25 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
86.7°F
83.9°F
85.1°F
72%
0.09 in
57%
0%
18.3 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 14.7 μg/m3
PM10: 24.56 μg/m3
Carbon Monoxide: 112.75 μg/m3
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 44.38 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:23 PM
Sunset: 8:07 PM
Daylight: 13 hrs 25 mins
Moonrise: 12:14 AM
Moon Transit: 7:19 AM
Moonset: 2:34 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:49 AM - 9:19 AM
6:41 PM - 9:11 PM

Minor Periods

2:04 PM - 3:34 PM
12:00 AM - 12:00 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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