Water Temperature of Galveston Bay in San Leon, TX

Current Water Temperature

85.6°F

Measurement Time: Monday, September 1, 2025, 2:00 PM CDT

Today's Tides

High: September 1, 7:53 AM, 1.45 ft
 Low: September 1, 8:55 PM, 0.10 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

86.2°F
Sunny
Conditions: Sunny
Humidity: 70%
Feels Like: 97.1°F
Wind: E 8.5 mph
Wind Gusts: 10.6 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 9.8

Five Day Weather Forecast

Mist
Mon
H: 89°F
L: 78°F
Patchy rain nearby
Tue
H: 90°F
L: 83°F
Sunny
Wed
H: 93°F
L: 79°F
Sunny
Thu
H: 94°F
L: 82°F
Sunny
Fri
H: 88°F
L: 82°F

Air Quality

AQI: 1 - Good
PM2.5: 6.85 μg/m3
PM10: 7.77 μg/m3
Carbon Monoxide: 345.95 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 148 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:19 PM
Sunset: 7:41 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:35 PM
Moon Transit: 8:33 PM
Moonset: 12:39 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
8:03 PM - 10:33 PM

Minor Periods

3:05 PM - 4:35 PM
12:09 AM - 1:39 AM

Action Rating: 4 out of 5

Monday, September 1, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 82.4°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 10.46 μg/m3
PM10: 11.81 μg/m3
Carbon Monoxide: 321.68 μg/m3
Nitrogen Dioxide: 8.77 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 128.44 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:19 PM
Sunset: 7:41 PM
Daylight: 12 hrs 44 mins
Moonrise: 3:35 PM
Moon Transit: 8:33 PM
Moonset: 12:39 AM
Moon Phase: First Quarter
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
8:03 PM - 10:33 PM

Minor Periods

3:05 PM - 4:35 PM
12:09 AM - 1:39 AM

Action Rating: 4 out of 5

Tuesday, September 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.6°F
Average Humidity: 73%
Chance of Rain: 82%
Wind: 8.5 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 8.03 μg/m3
PM10: 9.24 μg/m3
Carbon Monoxide: 328.12 μg/m3
Nitrogen Dioxide: 8.48 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 125.04 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:19 PM
Sunset: 7:40 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:27 PM
Moon Transit: 9:27 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

7:49 AM - 10:19 AM
8:57 PM - 11:27 PM

Minor Periods

3:57 PM - 5:27 PM
1:02 AM - 2:32 AM

Action Rating: 2 out of 5

Wednesday, September 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 85.3°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 13.96 μg/m3
PM10: 15.06 μg/m3
Carbon Monoxide: 356.53 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 5.03 μg/m3
Ozone: 135.84 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:18 PM
Sunset: 7:39 PM
Daylight: 12 hrs 40 mins
Moonrise: 5:14 PM
Moon Transit: 10:21 PM
Moonset: 2:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
12:00 AM - 12:00 AM

Minor Periods

4:44 PM - 6:14 PM
2:01 AM - 3:31 AM

Action Rating: 2 out of 5

Thursday, September 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 85.1°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 13.39 μg/m3
PM10: 14.05 μg/m3
Carbon Monoxide: 407.37 μg/m3
Nitrogen Dioxide: 8.58 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 139.4 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:38 PM
Daylight: 12 hrs 39 mins
Moonrise: 5:56 PM
Moon Transit: 11:13 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

9:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Minor Periods

5:26 PM - 6:56 PM
3:02 AM - 4:32 AM

Action Rating: 2 out of 5

Friday, September 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.5°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 13.73 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 394.76 μg/m3
Nitrogen Dioxide: 7.27 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 165.85 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:36 PM
Daylight: 12 hrs 37 mins
Moonrise: 6:34 PM
Moon Transit: 12:00 AM
Moonset: 4:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:28 AM - 12:58 AM

Minor Periods

6:04 PM - 7:34 PM
4:07 AM - 5:37 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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