Water Temperature of Galveston Bay in San Leon, TX

Current Water Temperature

90.1°F

Measurement Time: Friday, July 3, 2026, 10:54 PM CDT

Today's Tides

Low: July 3, 3:46 AM, -0.1 ft
 High: July 3, 2:28 PM, 1.1 ft

Temperature Locations

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Local Points of Interest

Trinity Bay; East Bay; Dickinson Bay

Galveston Bay

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

Elevation Above Sea Level: 0 feet

Sensor Depth: -4 feet

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

84.9°F
Clear
Clear
98.3°F
97.8°F
75%
S 11.6 mph
17.2 mph
84.7°F
79.7°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 91°F
L: 84°F
Sunny
Sat
H: 90°F
L: 83°F
Sunny
Sun
H: 88°F
L: 81°F
Sunny
Mon
H: 88°F
L: 81°F
Sunny
Tue
H: 89°F
L: 82°F

Air Quality

AQI: 1 - Good
PM2.5: 11.2 μg/m3
PM10: 18.5 μg/m3
Carbon Monoxide: 94 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:24 PM
Sunset: 8:24 PM
Daylight: 13 hrs 59 mins
Moonrise: 11:03 PM
Moon Transit: 4:00 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:12 PM - 5:42 PM

Minor Periods

12:00 AM - 12:00 AM
9:05 AM - 10:35 AM

Action Rating: 3 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
90.5°F
83.8°F
86.5°F
75%
0 in
8%
0%
13 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 14.66 μg/m3
PM10: 22.64 μg/m3
Carbon Monoxide: 95.38 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:24 PM
Sunset: 8:24 PM
Daylight: 13 hrs 59 mins
Moonrise: 11:03 PM
Moon Transit: 4:00 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:12 PM - 5:42 PM

Minor Periods

12:00 AM - 12:00 AM
9:05 AM - 10:35 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
90°F
82.6°F
85.1°F
75%
0 in
7%
0%
13.2 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 10.55 μg/m3
PM10: 15.35 μg/m3
Carbon Monoxide: 95.33 μg/m3
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 66.5 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:24 PM
Sunset: 8:24 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:03 AM
Moon Transit: 4:44 AM
Moonset: 10:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:03 AM - 11:33 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
87.9°F
80.6°F
84.2°F
73%
0.03 in
36%
0%
13.9 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 12.88 μg/m3
Carbon Monoxide: 95.63 μg/m3
Nitrogen Dioxide: 4.04 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 65.5 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:24 PM
Sunset: 8:24 PM
Daylight: 13 hrs 58 mins
Moonrise: 12:32 AM
Moon Transit: 5:27 AM
Moonset: 11:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
12:00 AM - 12:00 AM

Minor Periods

10:59 AM - 12:29 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Sunny
87.8°F
81.4°F
84.5°F
70%
0 in
6%
0%
14.5 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 8.78 μg/m3
PM10: 12.43 μg/m3
Carbon Monoxide: 96.88 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 2.24 μg/m3
Ozone: 62.17 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:24 PM
Sunset: 8:24 PM
Daylight: 13 hrs 58 mins
Moonrise: 12:01 AM
Moon Transit: 12:15 AM
Moonset: 12:27 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

11:45 AM - 2:15 PM
11:45 AM - 2:15 PM

Minor Periods

11:57 AM - 1:27 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 7, 2026

Weather Forecast

Sunny
88.5°F
81.6°F
84.9°F
71%
0.01 in
17%
0%
16.8 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 11.55 μg/m3
Carbon Monoxide: 101.35 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 60.04 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:24 PM
Sunset: 8:23 PM
Daylight: 13 hrs 57 mins
Moonrise: 12:30 AM
Moon Transit: 12:00 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:07 PM - 8:37 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 1:30 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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