Water Temperature of Galveston Bay in San Leon, TX

Current Water Temperature

76.1°F

Measurement Time: Sunday, April 20, 2025, 5:00 PM CDT

Today's Tides

 Low: April 20, 7:09 AM, 0.08 ft
High: April 20, 7:11 PM, 1.39 ft

Temperature Locations

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Local Points of Interest

Trinity Bay; East Bay; Dickinson Bay

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Galveston Bay

Station Name: Eagle Point, Galveston Bay
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -4.3 feet / -1.3 meters

Nearest Address:
991 5th St
San Leon, TX 77539
Galveston County

GPS Coordinates: 29.480000, -94.918306

Nearby Water Temperatures

Galveston Bay, Galveston, TX (12.3 mi)
Galveston Bay, Galveston, TX (12.5 mi)
Trinity Bay, Baytown, TX (13.7 mi)
Port of Galveston, Galveston, TX (13.9 mi)
Bolivar Roads, Galveston, TX (14.4 mi)
San Jacinto River, La Porte, TX (14.5 mi)
Trinity Bay, Anahuac, TX (16.2 mi)
Rollover Pass, Port Bolivar, TX (24.5 mi)
Old River, Wallisville, TX (24.7 mi)
Old River Lake, Cove, TX (25.3 mi)
Trinity River, Wallisville, TX (25.6 mi)
Buffalo Bayou, Houston, TX (26.9 mi)
Lake Charlotte, Wallisville, TX (29.4 mi)
San Luis Pass, Freeport, TX (30.4 mi)
Old River Cutoff, Moss Bluff, TX (30.5 mi)

Weather for San Leon, Texas

Current Weather

81°F
Overcast
Conditions: Overcast
Humidity: 82%
Feels Like: 85.5°F
Wind: S 15 mph
Wind Gusts: 21.8 mph
Pressure: 29.97 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 2.3

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 83°F
L: 71°F
Heavy rain
Mon
H: 81°F
L: 72°F
Partly Cloudy
Tue
H: 84°F
L: 72°F
Patchy rain nearby
Wed
H: 81°F
L: 71°F
Patchy rain nearby
Thu
H: 82°F
L: 73°F

Air Quality

AQI: 2 - Moderate
PM2.5: 17.76 μg/m3
PM10: 23.87 μg/m3
Carbon Monoxide: 255.3 μg/m3
Nitrogen Dioxide: 19.8 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:18 PM
Sunset: 7:50 PM
Daylight: 13 hrs 2 mins
Moonrise: 2:07 AM
Moon Transit: 7:11 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
6:26 PM - 8:56 PM

Minor Periods

11:50 AM - 1:20 PM
1:37 AM - 3:07 AM

Action Rating: 3 out of 5

Rip Current Statement issued April 20 at 9:41AM CDT until April 20 at 8:00PM CDT by NWS Houston/Galveston TX

Effective: Sun April 20, 2025, 9:41 AM
Expires: Sun April 20, 2025, 5:45 PM

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Until 8 PM CDT this 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.


Rip Current Statement issued April 20 at 9:41AM CDT until April 20 at 8:00PM CDT by NWS Houston/Galveston TX

Effective: Sun April 20, 2025, 9:41 AM
Expires: Sun April 20, 2025, 5:45 PM

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Until 8 PM CDT this 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.
Sunday, April 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76.3°F
Average Humidity: 84%
Chance of Rain: 87%
Wind: 19.5 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 17.99 μg/m3
PM10: 24.24 μg/m3
Carbon Monoxide: 263.96 μg/m3
Nitrogen Dioxide: 9.41 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:18 PM
Sunset: 7:50 PM
Daylight: 13 hrs 2 mins
Moonrise: 2:07 AM
Moon Transit: 7:11 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
6:26 PM - 8:56 PM

Minor Periods

11:50 AM - 1:20 PM
1:37 AM - 3:07 AM

Action Rating: 3 out of 5

Monday, April 21, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 75°F
Average Humidity: 89%
Chance of Rain: 89%
Wind: 10.5 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 14.39 μg/m3
PM10: 17.98 μg/m3
Carbon Monoxide: 272.39 μg/m3
Nitrogen Dioxide: 21.6 μg/m3
Sulphur Dioxide: 6.53 μg/m3
Ozone: 76.64 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:18 PM
Sunset: 7:50 PM
Daylight: 13 hrs 3 mins
Moonrise: 2:50 AM
Moon Transit: 8:03 AM
Moonset: 1:23 PM
Moon Phase: Last Quarter
Moon Illumination: 27.2%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
7:18 PM - 9:48 PM

Minor Periods

12:53 AM - 2:23 PM
2:20 AM - 3:50 AM

Action Rating: 2 out of 5

Tuesday, April 22, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 75.9°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 13.6 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 20.17 μg/m3
PM10: 26.24 μg/m3
Carbon Monoxide: 285.64 μg/m3
Nitrogen Dioxide: 24.01 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 68.6 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:18 PM
Sunset: 7:51 PM
Daylight: 13 hrs 5 mins
Moonrise: 3:28 AM
Moon Transit: 8:54 AM
Moonset: 2:28 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:09 PM - 10:39 PM

Minor Periods

1:58 PM - 3:28 PM
2:58 AM - 4:28 AM

Action Rating: 3 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74°F
Average Humidity: 88%
Chance of Rain: 89%
Wind: 15.9 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.57 μg/m3
PM10: 27.21 μg/m3
Carbon Monoxide: 286.08 μg/m3
Nitrogen Dioxide: 18.25 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 82.12 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:17 PM
Sunset: 7:51 PM
Daylight: 13 hrs 7 mins
Moonrise: 4:03 AM
Moon Transit: 9:44 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

8:58 PM - 11:28 PM
9:14 AM - 11:44 AM

Minor Periods

3:03 PM - 4:33 PM
3:33 AM - 5:03 AM

Action Rating: 2 out of 5

Thursday, April 24, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76°F
Average Humidity: 85%
Chance of Rain: 89%
Wind: 17 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 21.09 μg/m3
PM10: 27.61 μg/m3
Carbon Monoxide: 312.65 μg/m3
Nitrogen Dioxide: 19.31 μg/m3
Sulphur Dioxide: 3.36 μg/m3
Ozone: 77.46 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:17 PM
Sunset: 7:52 PM
Daylight: 13 hrs 8 mins
Moonrise: 4:36 AM
Moon Transit: 10:33 AM
Moonset: 4:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:09 PM - 5:39 PM
4:06 AM - 5:36 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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