Water Temperature of Galveston Bay in Galveston, TX

Current Water Temperature

77.5°F

Measurement Time: Saturday, April 18, 2026, 12:42 AM CDT

Today's Tides

 High: April 18, 7:38 AM, 1.7 ft
Low: April 18, 1:44 PM, 1.4 ft
 High: April 18, 3:57 PM, 1.4 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

75°F
Clear
Clear
78.7°F
76.6°F
79%
S 16.1 mph
23 mph
72.5°F
67.5°F
0 in
0%
9 mi
1013 mbar
0

Five Day Weather Forecast

Moderate rain
Sat
H: 81°F
L: 65°F
Patchy rain nearby
Sun
H: 67°F
L: 59°F
Patchy rain nearby
Mon
H: 70°F
L: 66°F
Moderate rain
Tue
H: 71°F
L: 68°F
Patchy rain nearby
Wed
H: 76°F
L: 71°F

Air Quality

PM2.5: 13.25 μg/m3
PM10: 19.75 μg/m3
Carbon Monoxide: 126.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:18 PM
Sunset: 7:48 PM
Daylight: 12 hrs 58 mins
Moonrise: 7:21 AM
Moon Transit: 2:24 PM
Moonset: 9:35 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:54 PM - 4:24 PM

Minor Periods

9:05 PM - 10:35 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Rip Current Statement issued April 17 at 5:31PM CDT until April 18 at 10:00PM CDT by NWS Houston/Galveston TX

Effective: Fri April 17, 2026, 5:31 PM
Expires: Sat April 18, 2026, 1:45 AM

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through Saturday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard and away from rocks, jetties, and piers. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Saturday, April 18, 2026

Weather Forecast

Moderate rain
80.8°F
65.1°F
73.4°F
85%
0.29 in
89%
0%
21.5 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 13.81 μg/m3
PM10: 20.15 μg/m3
Carbon Monoxide: 132.73 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 97.48 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:18 PM
Sunset: 7:48 PM
Daylight: 12 hrs 58 mins
Moonrise: 7:21 AM
Moon Transit: 2:24 PM
Moonset: 9:35 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:54 PM - 4:24 PM

Minor Periods

9:05 PM - 10:35 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
66.5°F
58.8°F
63.7°F
68%
0.07 in
87%
0%
28 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 153.25 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:18 PM
Sunset: 7:49 PM
Daylight: 12 hrs 59 mins
Moonrise: 8:08 AM
Moon Transit: 3:25 PM
Moonset: 10:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:55 PM - 5:25 PM

Minor Periods

10:19 PM - 11:49 PM
7:38 AM - 9:08 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
69.7°F
66.3°F
68.4°F
67%
0.12 in
88%
0%
18.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 152.64 μg/m3
Nitrogen Dioxide: 2.89 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 114.04 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:18 PM
Sunset: 7:49 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:03 AM
Moon Transit: 4:29 PM
Moonset: 11:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:59 PM - 6:29 PM

Minor Periods

12:00 AM - 12:00 AM
8:33 AM - 10:03 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Moderate rain
71°F
68.2°F
69.9°F
84%
0.68 in
88%
0%
16.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.17 μg/m3
PM10: 14.47 μg/m3
Carbon Monoxide: 146.68 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 129.46 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:18 PM
Sunset: 7:50 PM
Daylight: 13 hrs 3 mins
Moonrise: 10:06 AM
Moon Transit: 5:34 PM
Moonset: 12:58 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
5:04 PM - 7:34 PM

Minor Periods

9:36 AM - 11:06 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
75.8°F
71.4°F
72.8°F
80%
0.02 in
89%
0%
19.5 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: 6:46 AM
Sun Transit: 1:18 PM
Sunset: 7:50 PM
Daylight: 13 hrs 4 mins
Moonrise: 11:14 AM
Moon Transit: 6:36 PM
Moonset: 1:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
6:06 PM - 8:36 PM

Minor Periods

10:44 AM - 12:14 AM
12:31 AM - 2:01 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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