Water Temperature of the San Jacinto River in La Porte, TX

Current Water Temperature

74.3°F

Measurement Time: Tuesday, May 5, 2026, 7:30 AM CDT

Today's Tides

Low: May 5, 4:41 AM, 0.1 ft
 High: May 5, 3:57 PM, 1.8 ft

Temperature Locations

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Local Points of Interest

Barbours Cut; Hog Island; Houston Ship Channel; Tabbs Bay; Trinity Bay; Atkinson Island Wildlife Management Area

San Jacinto River

Station Name: Morgans Point, Barbours Cut
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 13 feet

Sensor Depth: -3 feet

Nearest Address:
2305 E Barbours Cut Blvd
La Porte, TX 77571
Harris County

GPS Coordinates: 29.681667, -94.985

Nearby Water Temperatures

Trinity Bay, Baytown, TX (7.9 mi)
Trinity Bay, Anahuac, TX (14.4 mi)
Galveston Bay, San Leon, TX (14.5 mi)
Old River Lake, Cove, TX (15.2 mi)
Old River, Wallisville, TX (16.8 mi)
Buffalo Bayou, Houston, TX (17.1 mi)
Trinity River, Wallisville, TX (17.7 mi)
Old River Cutoff, Moss Bluff, TX (19.9 mi)
Lake Charlotte, Wallisville, TX (20.7 mi)
Lake Houston, Houston, TX (20.8 mi)
Trinity River, Liberty, TX (22 mi)
Lake Houston, Houston, TX (22.2 mi)
Lake Houston, Houston, TX (24.3 mi)
Galveston Bay, Galveston, TX (26.4 mi)
Galveston Bay, Galveston, TX (26.7 mi)

Weather for La Porte, Texas

Current Weather

73.9°F
Overcast
Overcast
78.1°F
76.7°F
89%
SSW 10.7 mph
17.3 mph
72.3°F
69°F
0 in
100%
9 mi
1009 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 82°F
L: 70°F
Patchy rain nearby
Wed
H: 86°F
L: 75°F
Patchy rain nearby
Thu
H: 76°F
L: 66°F
Patchy rain nearby
Fri
H: 80°F
L: 68°F
Patchy rain nearby
Sat
H: 86°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 12.55 μg/m3
PM10: 17.25 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 8:00 PM
Daylight: 13 hrs 25 mins
Moonrise: 12:06 AM
Moon Transit: 4:04 AM
Moonset: 9:03 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

8:33 AM - 10:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Patchy rain nearby
81.7°F
70°F
75.1°F
85%
0.02 in
86%
0%
14.5 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 10.02 μg/m3
PM10: 14.01 μg/m3
Carbon Monoxide: 151.57 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 105.88 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 8:00 PM
Daylight: 13 hrs 25 mins
Moonrise: 12:06 AM
Moon Transit: 4:04 AM
Moonset: 9:03 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

8:33 AM - 10:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
85.6°F
74.6°F
79°F
82%
0.04 in
89%
0%
15.2 mph
7.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.66 μg/m3
PM10: 20.19 μg/m3
Carbon Monoxide: 192.45 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 89.72 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 8:00 PM
Daylight: 13 hrs 27 mins
Moonrise: 12:56 AM
Moon Transit: 4:55 AM
Moonset: 9:57 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

9:27 AM - 10:57 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
76.2°F
65.9°F
72.9°F
80%
0.02 in
88%
0%
15.7 mph
3.6


Air Quality

AQI: 1 - Good
PM2.5: 11.99 μg/m3
PM10: 14.42 μg/m3
Carbon Monoxide: 190.49 μg/m3
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 73.36 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:16 PM
Sunset: 8:01 PM
Daylight: 13 hrs 28 mins
Moonrise: 12:42 AM
Moon Transit: 5:46 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
4:59 PM - 7:29 PM

Minor Periods

10:24 AM - 11:54 AM
12:12 AM - 1:42 AM

Action Rating: 2 out of 5

Friday, May 8, 2026

Weather Forecast

Patchy rain nearby
79.5°F
68.3°F
73.6°F
84%
0.17 in
87%
0%
10.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.39 μg/m3
PM10: 9.12 μg/m3
Carbon Monoxide: 172.65 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 80.8 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:16 PM
Sunset: 8:02 PM
Daylight: 13 hrs 29 mins
Moonrise: 1:22 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
12:52 AM - 2:22 AM

Action Rating: 4 out of 5

Saturday, May 9, 2026

Weather Forecast

Patchy rain nearby
85.7°F
73.1°F
77.3°F
84%
0.17 in
83%
0%
7.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.46 μg/m3
PM10: 5.82 μg/m3
Carbon Monoxide: 198.54 μg/m3
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 73.08 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:16 PM
Sunset: 8:02 PM
Daylight: 13 hrs 31 mins
Moonrise: 1:58 AM
Moon Transit: 7:21 AM
Moonset: 12:51 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
6:33 PM - 9:03 PM

Minor Periods

12:21 AM - 1:51 PM
1:28 AM - 2:58 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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