Water Temperature of Galveston Bay in Galveston, TX

Current Water Temperature

88.5°F

Measurement Time: Monday, June 30, 2025, 4:12 PM CDT

Today's Tides

 Low: June 30, 2:55 AM, -0.01 ft
High: June 30, 11:42 AM, 0.90 ft

Temperature Locations

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Local Points of Interest

Tiki Island; Offatts Bayou; Campbell Bayou; Jones Bay

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Galveston Bay

Station Name: Galveston Railroad Bridge
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 3 feet / 1 meters

Sensor Depth: -1.5 feet / -0.5 meters

Nearest Address:
Virginia Point Dr
Galveston, TX 77554
Galveston County

GPS Coordinates: 29.302583, -94.897083

Nearby Water Temperatures

Port of Galveston, Galveston, TX (6.3 mi)
Galveston Bay, Galveston, TX (7.4 mi)
Bolivar Roads, Galveston, TX (11.0 mi)
Galveston Bay, San Leon, TX (12.3 mi)
San Luis Pass, Freeport, TX (20.8 mi)
Trinity Bay, Baytown, TX (25.5 mi)
Trinity Bay, Anahuac, TX (26.4 mi)
San Jacinto River, La Porte, TX (26.7 mi)
Rollover Pass, Port Bolivar, TX (27.4 mi)
Gulf of Mexico, Surfside Beach, TX (34.9 mi)
Old River, Wallisville, TX (35.8 mi)
Galveston Bay, High Island, TX (36.6 mi)
Trinity River, Wallisville, TX (36.6 mi)
Buffalo Bayou, Houston, TX (36.7 mi)
Old River Lake, Cove, TX (37.0 mi)

Weather for Galveston, Texas

Current Weather

90°F
Sunny
Conditions: Sunny
Humidity: 70%
Feels Like: 104.6°F
Wind: S 10.3 mph
Wind Gusts: 12.6 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 5.1

Five Day Weather Forecast

Sunny
Mon
H: 93°F
L: 82°F
Partly Cloudy
Tue
H: 93°F
L: 81°F
Partly Cloudy
Wed
H: 93°F
L: 80°F
Partly Cloudy
Thu
H: 87°F
L: 78°F
Sunny
Fri
H: 87°F
L: 81°F

Air Quality

AQI: 2 - Moderate
PM2.5: 51.06 μg/m3
PM10: 143.93 μg/m3
Carbon Monoxide: 231.25 μg/m3
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:23 PM
Sunset: 8:23 PM
Daylight: 14 hrs mins
Moonrise: 11:36 AM
Moon Transit: 6:00 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
5:30 PM - 8:00 PM

Minor Periods

11:06 AM - 12:36 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Flood Warning issued June 30 at 10:57AM CDT until July 4 at 1:00AM CDT by NWS Houston/Galveston TX

Effective: Mon June 30, 2025, 10:57 AM
Expires: Tue July 1, 2025, 5:00 AM

...The Flood Warning continues for the following rivers in Texas... Trinity River at Liberty affecting Liberty County. Trinity River near Moss Bluff affecting Liberty and Chambers Counties. For the Trinity River...including Moss Bluff, Liberty...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Trinity River near Moss Bluff. * WHEN...Until early Friday morning. * IMPACTS...At 12.2 feet, Minor lowland flooding begins in the vicinity of the gage. * ADDITIONAL DETAILS... - At 10:30 AM CDT Monday the stage was 14.4 feet. - Bankfull stage is 9.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Monday was 14.6 feet. - Forecast...The river is expected to rise to a crest of 14.5 feet this afternoon. It will then fall below flood stage early Thursday afternoon. - Flood stage is 12.2 feet. - Flood History...This crest compares to a previous crest of 14.5 feet on 07/21/2007. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/hgx. The next statement will be issued by late tonight at 500 AM CDT.


Flood Warning issued June 30 at 10:57AM CDT until July 2 at 3:00AM CDT by NWS Houston/Galveston TX

Effective: Mon June 30, 2025, 10:57 AM
Expires: Tue July 1, 2025, 5:00 AM

...The Flood Warning continues for the following rivers in Texas... Trinity River at Liberty affecting Liberty County. Trinity River near Moss Bluff affecting Liberty and Chambers Counties. For the Trinity River...including Moss Bluff, Liberty...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Trinity River at Liberty. * WHEN...Until early Wednesday morning. * IMPACTS...At 27.0 feet, Moderate lowland flooding begins as roads into several outlying communities above Liberty are closed with residents in 5 or 6 subdivisions cut off if not evacuated. * ADDITIONAL DETAILS... - At 10:15 AM CDT Monday the stage was 27.6 feet. - Bankfull stage is 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Monday was 28.5 feet. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 15.8 feet Saturday morning. - Flood stage is 26.0 feet. - Flood History...This crest compares to a previous crest of 27.7 feet on 03/16/1997. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/hgx. The next statement will be issued by late tonight at 500 AM CDT.


Flood Warning issued June 30 at 10:57AM CDT until July 4 at 1:00AM CDT by NWS Houston/Galveston TX

Effective: Mon June 30, 2025, 10:57 AM
Expires: Tue July 1, 2025, 5:00 AM

...The Flood Warning continues for the following rivers in Texas... Trinity River at Liberty affecting Liberty County. Trinity River near Moss Bluff affecting Liberty and Chambers Counties. For the Trinity River...including Moss Bluff, Liberty...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Trinity River near Moss Bluff. * WHEN...Until early Friday morning. * IMPACTS...At 12.2 feet, Minor lowland flooding begins in the vicinity of the gage. * ADDITIONAL DETAILS... - At 10:30 AM CDT Monday the stage was 14.4 feet. - Bankfull stage is 9.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Monday was 14.6 feet. - Forecast...The river is expected to rise to a crest of 14.5 feet this afternoon. It will then fall below flood stage early Thursday afternoon. - Flood stage is 12.2 feet. - Flood History...This crest compares to a previous crest of 14.5 feet on 07/21/2007. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/hgx. The next statement will be issued by late tonight at 500 AM CDT.


Monday, June 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 86.1°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 2.6

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 43.99 μg/m3
PM10: 109.45 μg/m3
Carbon Monoxide: 233.77 μg/m3
Nitrogen Dioxide: 2.56 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 66.64 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:23 PM
Sunset: 8:23 PM
Daylight: 14 hrs mins
Moonrise: 11:36 AM
Moon Transit: 6:00 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
5:30 PM - 8:00 PM

Minor Periods

11:06 AM - 12:36 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 1, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.9°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 2.8

Air Quality

AQI: 2 - Moderate
PM2.5: 38.4 μg/m3
PM10: 97.72 μg/m3
Carbon Monoxide: 234.28 μg/m3
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 67.6 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:23 PM
Sunset: 8:23 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:32 AM
Moon Transit: 6:41 PM
Moonset: 12:18 AM
Moon Phase: Waxing Crescent
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
6:11 PM - 8:41 PM

Minor Periods

12:02 AM - 1:32 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 2, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 3

Air Quality

AQI: 2 - Moderate
PM2.5: 35.03 μg/m3
PM10: 87.42 μg/m3
Carbon Monoxide: 221.19 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 67.16 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:23 PM
Sunset: 8:23 PM
Daylight: 13 hrs 59 mins
Moonrise: 1:25 PM
Moon Transit: 7:21 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 42.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

12:55 AM - 2:25 PM
12:15 AM - 1:45 AM

Action Rating: 2 out of 5

Thursday, July 3, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 82.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 29.7 μg/m3
PM10: 75.92 μg/m3
Carbon Monoxide: 213.05 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 60.4 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:23 PM
Sunset: 8:23 PM
Daylight: 13 hrs 58 mins
Moonrise: 2:19 PM
Moon Transit: 8:01 PM
Moonset: 1:11 AM
Moon Phase: First Quarter
Moon Illumination: 53.9%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
7:31 PM - 10:01 PM

Minor Periods

1:49 PM - 3:19 PM
12:41 AM - 2:11 AM

Action Rating: 3 out of 5

Friday, July 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 83.9°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 7

Air Quality

AQI: 2 - Moderate
PM2.5: 16.04 μg/m3
PM10: 33.06 μg/m3
Carbon Monoxide: 221.43 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 53.54 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:24 PM
Sunset: 8:23 PM
Daylight: 13 hrs 58 mins
Moonrise: 3:13 PM
Moon Transit: 8:43 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

7:11 AM - 9:41 AM
8:13 PM - 10:43 PM

Minor Periods

2:43 PM - 4:13 PM
1:08 AM - 2:38 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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