Water Temperature of Rollover Pass in Port Bolivar, TX

Current Water Temperature

80.1°F

Measurement Time: Saturday, May 23, 2026, 10:06 AM CDT

Today's Tides

Low: May 23, 8:04 AM, 0.4 ft
 High: May 23, 4:45 PM, 1.4 ft
Low: May 23, 11:03 PM, 1.1 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

80.1°F
Overcast
Overcast
86.7°F
80.6°F
87%
SSE 11.4 mph
16.4 mph
76.3°F
70.8°F
0 in
100%
9 mi
1013 mbar
2.4

Five Day Weather Forecast

Heavy rain
Sat
H: 80°F
L: 71°F
Moderate rain
Sun
H: 80°F
L: 74°F
Patchy rain nearby
Mon
H: 81°F
L: 77°F
Moderate rain
Tue
H: 82°F
L: 78°F
Heavy rain
Wed
H: 80°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 7.95 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:14 PM
Sunset: 8:09 PM
Daylight: 13 hrs 47 mins
Moonrise: 1:24 PM
Moon Transit: 7:56 PM
Moonset: 1:50 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
7:26 PM - 9:56 PM

Minor Periods

12:54 AM - 2:24 PM
1:20 AM - 2:50 AM

Action Rating: 3 out of 5

Flood Watch issued May 23 at 1:08AM CDT until May 25 at 7:00PM CDT by NWS Houston/Galveston TX

Effective: Sat May 23, 2026, 1:08 AM
Expires: Sat May 23, 2026, 5:15 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Austin, Bolivar Peninsula, Brazoria Islands, Chambers, Coastal Brazoria, Coastal Galveston, Coastal Harris, Coastal Matagorda, Colorado, Fort Bend, Galveston Island, Grimes, Inland Brazoria, Inland Galveston, Inland Harris, Inland Matagorda, Matagorda Islands, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker, Waller, Washington and Wharton. * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional rainfall totals through late Monday are anticipated to be between 1 to 3 inches. Isolated higher totals of 4-6 inches are possible, with the more favorable locations of that occurring across the southern 1/3 of southeast Texas. Rainfall rates are expected to peak in the 3-4" per hour range in the heaviest downpours. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued May 22 at 1:04PM CDT until May 25 at 7:00PM CDT by NWS Lake Charles LA

Effective: Fri May 22, 2026, 1:04 PM
Expires: Sat May 23, 2026, 1:15 PM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Louisiana, including the following parishes, Allen, Avoyelles, Beauregard, East Cameron, Evangeline, Lafayette, Lower Iberia, Lower St. Martin, Lower St. Mary, Lower Vermilion, Northern Acadia, Northern Calcasieu, Northern Jefferson Davis, Rapides, Southern Acadia, Southern Calcasieu, Southern Jefferson Davis, St. Landry, Upper Iberia, Upper St. Martin, Upper St. Mary, Upper Vermilion, Vernon and West Cameron and southeast Texas, including the following areas, Hardin, Lower Jefferson, Northern Jasper, Northern Newton, Northern Orange, Southern Jasper, Southern Newton, Southern Orange, Tyler and Upper Jefferson. * WHEN...From 7 PM CDT this evening through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A series of weak disturbances will lift over a very warm and moist airmass settled over the region from tonight through the Holiday Weekend. Rainfall with these waves is expected to be heavy at times and with little storm motion and or backbuilding, flash flooding concerns will be present from now through the start of the work week. Over the next several days, anticipate 4 to 6 inches of rainfall widespread with isolated amounts up to 10 to 15 inches. - Http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued May 22 at 10:30PM CDT until May 25 at 7:00PM CDT by NWS Lake Charles LA

Effective: Fri May 22, 2026, 10:30 PM
Expires: Sat May 23, 2026, 10:30 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Louisiana, including the following parishes, Allen, Avoyelles, Beauregard, East Cameron, Evangeline, Lafayette, Lower Iberia, Lower St. Martin, Lower St. Mary, Lower Vermilion, Northern Acadia, Northern Calcasieu, Northern Jefferson Davis, Rapides, Southern Acadia, Southern Calcasieu, Southern Jefferson Davis, St. Landry, Upper Iberia, Upper St. Martin, Upper St. Mary, Upper Vermilion, Vernon and West Cameron and southeast Texas, including the following areas, Hardin, Lower Jefferson, Northern Jasper, Northern Newton, Northern Orange, Southern Jasper, Southern Newton, Southern Orange, Tyler and Upper Jefferson. * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A series of weak disturbances will lift over a very warm and moist airmass settled over the region from tonight through the Holiday Weekend. Rainfall with these waves is expected to be heavy at times and with little storm motion and or backbuilding, flash flooding concerns will be present from now through the start of the work week. Over the next several days, anticipate 4 to 6 inches of rainfall widespread with isolated amounts up to 10 to 15 inches. - Http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Severe Thunderstorm Warning issued May 23 at 7:23AM CDT until May 23 at 8:30AM CDT by NWS Lake Charles LA

Effective: Sat May 23, 2026, 7:23 AM
Expires: Sat May 23, 2026, 8:30 AM

SVRLCH The National Weather Service in Lake Charles has issued a * Severe Thunderstorm Warning for... Southwestern Jefferson County in southeastern Texas... * Until 830 AM CDT. * At 723 AM CDT, a severe thunderstorm was located near Stowell, or 12 miles southwest of Hamshire, moving east at 15 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Hamshire, Fannett, La Belle, and Winnie.

For your protection move to an interior room on the lowest floor of a building. Damaging wind and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.


Saturday, May 23, 2026

Weather Forecast

Heavy rain
79.7°F
71.4°F
76.5°F
88%
1.51 in
89%
0%
15.2 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 9.89 μg/m3
Carbon Monoxide: 122.69 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 55.48 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:14 PM
Sunset: 8:09 PM
Daylight: 13 hrs 47 mins
Moonrise: 1:24 PM
Moon Transit: 7:56 PM
Moonset: 1:50 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
7:26 PM - 9:56 PM

Minor Periods

12:54 AM - 2:24 PM
1:20 AM - 2:50 AM

Action Rating: 3 out of 5

Sunday, May 24, 2026

Weather Forecast

Moderate rain
79.5°F
73.9°F
76°F
86%
0.78 in
84%
0%
18.3 mph
2.9


Air Quality

AQI: 1 - Good
PM2.5: 4.57 μg/m3
PM10: 6.12 μg/m3
Carbon Monoxide: 121.49 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 54.2 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:14 PM
Sunset: 8:09 PM
Daylight: 13 hrs 48 mins
Moonrise: 2:24 PM
Moon Transit: 8:39 PM
Moonset: 2:21 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:11 AM - 9:41 AM
8:09 PM - 10:39 PM

Minor Periods

1:54 PM - 3:24 PM
1:51 AM - 3:21 AM

Action Rating: 3 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
81.3°F
77.1°F
79.3°F
76%
0.17 in
86%
0%
13.6 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 4.03 μg/m3
Carbon Monoxide: 117.29 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 53.32 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:15 PM
Sunset: 8:10 PM
Daylight: 13 hrs 49 mins
Moonrise: 3:20 PM
Moon Transit: 9:21 PM
Moonset: 2:49 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
8:51 PM - 11:21 PM

Minor Periods

2:50 PM - 4:20 PM
2:19 AM - 3:49 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Moderate rain
82°F
78.3°F
80.3°F
81%
0.3 in
89%
0%
14.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 8.4 μg/m3
PM10: 10.38 μg/m3
Carbon Monoxide: 122.01 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 80.76 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:15 PM
Sunset: 8:10 PM
Daylight: 13 hrs 50 mins
Moonrise: 4:16 PM
Moon Transit: 10:03 PM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
12:00 AM - 12:00 AM

Minor Periods

3:46 PM - 5:16 PM
2:47 AM - 4:17 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Heavy rain
79.6°F
70.6°F
76.2°F
87%
1.54 in
86%
0%
20.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.96 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 127.57 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 61.15 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:15 PM
Sunset: 8:11 PM
Daylight: 13 hrs 51 mins
Moonrise: 5:11 PM
Moon Transit: 10:46 PM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:41 PM - 6:11 PM
3:15 AM - 4:45 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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