Water Temperature of Galveston Bay in Galveston, TX

Current Water Temperature

70.9°F

Measurement Time: Saturday, May 2, 2026, 1:24 AM CDT

Today's Tides

 High: May 2, 8:03 AM, 1.5 ft

Temperature Locations

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Local Points of Interest

Tiki Island; Offatts Bayou; Campbell Bayou; Jones Bay

Galveston Bay

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

Elevation Above Sea Level: 3 feet

Sensor Depth: -2 feet

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 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 mi)

Weather for Galveston, Texas

Current Weather

57.9°F
Overcast
Overcast
53.8°F
59.6°F
90%
NNE 21.3 mph
26.4 mph
59.6°F
56.4°F
0 in
100%
9 mi
1015 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 75°F
L: 58°F
Sunny
Sun
H: 74°F
L: 67°F
Partly Cloudy
Mon
H: 76°F
L: 69°F
Patchy rain nearby
Tue
H: 78°F
L: 73°F
Patchy rain nearby
Wed
H: 81°F
L: 77°F

Air Quality

PM2.5: 5.05 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:16 PM
Sunset: 7:57 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:13 PM
Moon Transit: 1:35 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:48 AM - 3:18 PM

Minor Periods

8:43 PM - 10:13 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Flood Watch issued May 1 at 11:27AM CDT until May 2 at 4:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 1, 2026, 11:27 AM
Expires: Sat May 2, 2026, 4:00 AM

Widespread 1 to 3 inches of rainfall has already fallen in the last 12 hours. A swath of 3 to 5 inches has been observed from Colorado County to NW Harris County. Waves of showers and storms will continue to produce rain rates of 1 to 2+ inches per hour through the evening hours. Training of cells and short duration intense rainfall may cause localized flooding. The Flood Watch is in effect until 3AM Saturday morning. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Austin, Brazos, Burleson, Coastal Harris, Colorado, Fort Bend, Grimes, Inland Harris, Madison, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker, Waller, Washington and Wharton. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Waves of showers and storms continue to produce localized high rain rates and the potential for several inches of rain in a short time. - 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 1 at 5:25PM CDT until May 2 at 12:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 1, 2026, 5:25 PM
Expires: Sat May 2, 2026, 12:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Austin, Coastal Harris, Colorado, Fort Bend, Inland Harris, Northern Liberty, Southern Liberty, Waller and Wharton. * WHEN...Until midnight CDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Waves of showers and storms continue to produce localized high rain rates and the potential for several inches of rain in a short time. - 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.


Saturday, May 2, 2026

Weather Forecast

Partly Cloudy
74.7°F
57.9°F
66°F
64%
0 in
0%
0%
21.3 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 6.99 μg/m3
Carbon Monoxide: 147.69 μg/m3
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 104.36 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:16 PM
Sunset: 7:57 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:13 PM
Moon Transit: 1:35 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:48 AM - 3:18 PM

Minor Periods

8:43 PM - 10:13 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Sunny
73.9°F
66.5°F
70.5°F
51%
0 in
0%
0%
12.1 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 153.81 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 116.12 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:16 PM
Sunset: 7:57 PM
Daylight: 13 hrs 21 mins
Moonrise: 10:10 PM
Moon Transit: 2:23 AM
Moonset: 7:30 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
1:37 PM - 4:07 PM

Minor Periods

9:40 PM - 11:10 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Partly Cloudy
75.9°F
69.4°F
72.7°F
59%
0 in
0%
0%
15.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 8.41 μg/m3
PM10: 13.34 μg/m3
Carbon Monoxide: 144.88 μg/m3
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 128.04 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:16 PM
Sunset: 7:58 PM
Daylight: 13 hrs 22 mins
Moonrise: 11:04 PM
Moon Transit: 3:13 AM
Moonset: 8:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
2:27 PM - 4:57 PM

Minor Periods

12:00 AM - 12:00 AM
7:45 AM - 9:15 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Patchy rain nearby
78.2°F
73.3°F
75.8°F
76%
0.04 in
89%
0%
18.1 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 10.04 μg/m3
PM10: 14.73 μg/m3
Carbon Monoxide: 132.2 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 122.85 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:16 PM
Sunset: 7:59 PM
Daylight: 13 hrs 24 mins
Moonrise: 12:04 AM
Moon Transit: 4:04 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
3:19 PM - 5:49 PM

Minor Periods

8:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
81.2°F
76.7°F
78.3°F
83%
0.08 in
87%
0%
19.9 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: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 7:59 PM
Daylight: 13 hrs 25 mins
Moonrise: 12:55 AM
Moon Transit: 4:55 AM
Moonset: 9:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
4:10 PM - 6:40 PM

Minor Periods

9:28 AM - 10:58 AM
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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