Water Temperature of Galveston Bay in Galveston, TX

Current Water Temperature

80.4°F

Measurement Time: Saturday, May 16, 2026, 2:12 AM CDT

Today's Tides

 High: May 16, 6:58 AM, 1.7 ft
Low: May 16, 11:12 PM, -0.4 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

77°F
Clear
Clear
81.1°F
78.2°F
77%
SSE 18.3 mph
26 mph
74.6°F
69.2°F
0 in
25%
9 mi
1015 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 82°F
L: 74°F
Patchy rain nearby
Sun
H: 82°F
L: 78°F
Patchy rain nearby
Mon
H: 81°F
L: 78°F
Patchy rain nearby
Tue
H: 82°F
L: 78°F
Partly Cloudy
Wed
H: 82°F
L: 78°F

Air Quality

PM2.5: 14.65 μg/m3
PM10: 22.05 μg/m3
Carbon Monoxide: 139.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:16 PM
Sunset: 8:06 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:55 AM
Moon Transit: 1:06 PM
Moonset: 8:24 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:36 AM - 3:06 PM

Minor Periods

7:54 PM - 9:24 PM
5:25 AM - 6:55 AM

Action Rating: 5 out of 5

Beach Hazards Statement issued May 15 at 1:46PM CDT until May 18 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 15, 2026, 1:46 PM
Expires: Sat May 16, 2026, 4:00 AM

* WHAT...High risk of rip currents expected and minor coastal flooding possible. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...From 7 PM CDT this evening through Monday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Flooding of lots, parks, and roads possible. * ADDITIONAL DETAILS...Localized minor coastal flooding will be possible during times of high tide mainly near Galveston Bay. Water levels are expected to be around 3.5 to 4.0 ft above MLLW during high tide cycles going into early next week. At 3.7ft, water may begin to reach Highway 87 at Highway 124 on Bolivar Peninsula, and on Beach Drive near Blue Water Highway in Surfside. At 4.0ft, water may start to flood portions of Highway 6 between I-45 and Hitchcock. Water may also start to flood portions of Toddville road, Red Bluff road, West Bayshore road, and Highway 124 near High Island. The lowest streets along Jamaica Beach may flood.

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. If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Beach Hazards Statement issued May 15 at 11:09PM CDT until May 18 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 15, 2026, 11:09 PM
Expires: Sat May 16, 2026, 7:15 AM

* WHAT...High risk of rip currents expected and minor coastal flooding possible. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Now through Monday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Flooding of lots, parks, and roads possible. * ADDITIONAL DETAILS...Localized minor coastal flooding will be possible during times of high tide mainly near Galveston Bay. Water levels are expected to be around 3.5 to 4.0 ft above MLLW during high tide cycles going into early next week. At 3.7ft, water may begin to reach Highway 87 at Highway 124 on Bolivar Peninsula, and on Beach Drive near Blue Water Highway in Surfside. At 4.0ft, water may start to flood portions of Highway 6 between I-45 and Hitchcock. Water may also start to flood portions of Toddville road, Red Bluff road, West Bayshore road, and Highway 124 near High Island. The lowest streets along Jamaica Beach may flood.

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. If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
81.7°F
73.6°F
77.5°F
75%
0.02 in
89%
0%
19.2 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 15.25 μg/m3
PM10: 22.98 μg/m3
Carbon Monoxide: 142.61 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 111.4 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:16 PM
Sunset: 8:06 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:55 AM
Moon Transit: 1:06 PM
Moonset: 8:24 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:36 AM - 3:06 PM

Minor Periods

7:54 PM - 9:24 PM
5:25 AM - 6:55 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
81.7°F
77.5°F
79.3°F
86%
0.03 in
89%
0%
20.4 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 13.87 μg/m3
PM10: 21.75 μg/m3
Carbon Monoxide: 127.37 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 75.56 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:16 PM
Sunset: 8:06 PM
Daylight: 13 hrs 40 mins
Moonrise: 6:48 AM
Moon Transit: 2:10 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
1:40 PM - 4:10 PM

Minor Periods

9:07 PM - 10:37 PM
6:18 AM - 7:48 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
81.3°F
78.4°F
79.6°F
88%
0.1 in
86%
0%
21.3 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 13.58 μg/m3
PM10: 20.95 μg/m3
Carbon Monoxide: 126.48 μg/m3
Nitrogen Dioxide: 2.89 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 66.28 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:16 PM
Sunset: 8:07 PM
Daylight: 13 hrs 41 mins
Moonrise: 7:49 AM
Moon Transit: 3:17 PM
Moonset: 10:46 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
2:47 PM - 5:17 PM

Minor Periods

10:16 PM - 11:46 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
82°F
78°F
79.8°F
87%
0.02 in
89%
0%
20.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 12.29 μg/m3
PM10: 18.86 μg/m3
Carbon Monoxide: 128.1 μg/m3
Nitrogen Dioxide: 3.22 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 70.31 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:16 PM
Sunset: 8:07 PM
Daylight: 13 hrs 42 mins
Moonrise: 8:57 AM
Moon Transit: 4:23 PM
Moonset: 11:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
3:53 PM - 6:23 PM

Minor Periods

12:00 AM - 12:00 AM
8:27 AM - 9:57 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Partly Cloudy
81.8°F
78°F
79.4°F
86%
0 in
0%
0%
17.2 mph
0.1


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: 6:25 AM
Sun Transit: 1:16 PM
Sunset: 8:08 PM
Daylight: 13 hrs 43 mins
Moonrise: 10:09 AM
Moon Transit: 5:25 PM
Moonset: 12:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
4:55 PM - 7:25 PM

Minor Periods

9:39 AM - 11:09 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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