Water Temperature of Galveston Bay in San Leon, TX

Current Water Temperature

71.4°F

Measurement Time: Monday, May 4, 2026, 7:36 AM CDT

Today's Tides

Low: May 4, 2:49 AM, 0.0 ft
 High: May 4, 2:33 PM, 1.4 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

69.1°F
Sunny
Sunny
69.1°F
76.3°F
63%
S 11 mph
18.1 mph
72.3°F
55.3°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 79°F
L: 72°F
Patchy rain nearby
Tue
H: 78°F
L: 73°F
Patchy rain nearby
Wed
H: 81°F
L: 76°F
Moderate rain
Thu
H: 76°F
L: 71°F
Patchy rain nearby
Fri
H: 79°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 134 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:16 PM
Sunset: 7:58 PM
Daylight: 13 hrs 23 mins
Moonrise: 11:05 PM
Moon Transit: 3:13 AM
Moonset: 8:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
2:27 PM - 4:57 PM

Minor Periods

12:00 AM - 12:00 AM
7:44 AM - 9:14 AM

Action Rating: 2 out of 5

Monday, May 4, 2026

Weather Forecast

Sunny
79.3°F
72°F
74°F
60%
0 in
0%
0%
16.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 10.37 μg/m3
Carbon Monoxide: 135.73 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 125.04 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:16 PM
Sunset: 7:58 PM
Daylight: 13 hrs 23 mins
Moonrise: 11:05 PM
Moon Transit: 3:13 AM
Moonset: 8:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
2:27 PM - 4:57 PM

Minor Periods

12:00 AM - 12:00 AM
7:44 AM - 9:14 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Patchy rain nearby
77.9°F
73.2°F
75.8°F
77%
0.03 in
89%
0%
17.4 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 9.57 μg/m3
PM10: 13.49 μg/m3
Carbon Monoxide: 139.97 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 107.8 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 7:59 PM
Daylight: 13 hrs 25 mins
Moonrise: 12:05 AM
Moon Transit: 4:04 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
3:19 PM - 5:49 PM

Minor Periods

8:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
81°F
75.6°F
78.2°F
86%
0.04 in
87%
0%
17.2 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 12.75 μg/m3
PM10: 16.95 μg/m3
Carbon Monoxide: 149.61 μg/m3
Nitrogen Dioxide: 4.54 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 89.28 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 8:00 PM
Daylight: 13 hrs 26 mins
Moonrise: 12:55 AM
Moon Transit: 4:55 AM
Moonset: 9:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
4:10 PM - 6:40 PM

Minor Periods

9:28 AM - 10:58 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 7, 2026

Weather Forecast

Moderate rain
75.7°F
70.7°F
74.3°F
85%
0.6 in
89%
0%
16.6 mph
3.7


Air Quality

AQI: 1 - Good
PM2.5: 11.31 μg/m3
PM10: 13.87 μg/m3
Carbon Monoxide: 149.62 μg/m3
Nitrogen Dioxide: 6.56 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 73.84 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:16 PM
Sunset: 8:00 PM
Daylight: 13 hrs 27 mins
Moonrise: 12:41 AM
Moon Transit: 5:45 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
4:59 PM - 7:29 PM

Minor Periods

10:24 AM - 11:54 AM
12:11 AM - 1:41 AM

Action Rating: 2 out of 5

Friday, May 8, 2026

Weather Forecast

Patchy rain nearby
79.3°F
70.3°F
73.9°F
83%
0.13 in
88%
0%
14.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 180.65 μg/m3
Nitrogen Dioxide: 4.64 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 76.23 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:16 PM
Sunset: 8:01 PM
Daylight: 13 hrs 29 mins
Moonrise: 1:21 AM
Moon Transit: 6:34 AM
Moonset: 11:52 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
5:47 PM - 8:17 PM

Minor Periods

11:22 AM - 12:52 AM
12:51 AM - 2:21 AM

Action Rating: 4 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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