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

Current Water Temperature

69.8°F

Measurement Time: Tuesday, March 3, 2026, 6:42 PM CST

Today's Tides

Low: March 3, 2:27 AM, 0.5 ft
 High: March 3, 6:45 AM, 0.7 ft
Low: March 3, 2:30 PM, -0.3 ft
 High: March 3, 9:50 PM, 0.6 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

75°F
Partly cloudy
Partly cloudy
79.6°F
69.4°F
82%
SE 11 mph
16.4 mph
68.8°F
66.8°F
0 in
75%
8 mi
1017 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 72°F
L: 64°F
Overcast
Wed
H: 74°F
L: 65°F
Overcast
Thu
H: 70°F
L: 66°F
Overcast
Fri
H: 70°F
L: 66°F
Patchy rain nearby
Sat
H: 79°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 11.95 μg/m3
PM10: 16.55 μg/m3
Carbon Monoxide: 126.85 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:31 AM
Sunset: 6:21 PM
Daylight: 11 hrs 37 mins
Moonrise: 6:49 PM
Moon Transit: 12:21 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:33 AM - 2:03 PM

Minor Periods

6:19 PM - 7:49 PM
6:17 AM - 7:47 AM

Action Rating: 5 out of 5

Tuesday, March 3, 2026

Weather Forecast

Patchy rain nearby
72.1°F
64°F
67.2°F
97%
0.02 in
89%
0%
15 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 12.27 μg/m3
PM10: 16.87 μg/m3
Carbon Monoxide: 152.97 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 85.4 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:31 AM
Sunset: 6:21 PM
Daylight: 11 hrs 37 mins
Moonrise: 6:49 PM
Moon Transit: 12:21 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:33 AM - 2:03 PM

Minor Periods

6:19 PM - 7:49 PM
6:17 AM - 7:47 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Overcast
74.1°F
65.3°F
68.6°F
92%
0 in
0%
0%
13 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 12.64 μg/m3
PM10: 17.33 μg/m3
Carbon Monoxide: 122.05 μg/m3
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 67.76 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:31 AM
Sunset: 6:22 PM
Daylight: 11 hrs 39 mins
Moonrise: 7:47 PM
Moon Transit: 1:06 AM
Moonset: 7:15 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
12:16 AM - 2:46 PM

Minor Periods

7:17 PM - 8:47 PM
6:45 AM - 8:15 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Overcast
69.8°F
65.7°F
66.9°F
94%
0 in
0%
0%
14.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 12.63 μg/m3
PM10: 17.44 μg/m3
Carbon Monoxide: 111.77 μg/m3
Nitrogen Dioxide: 6.03 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 74.36 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:31 AM
Sunset: 6:22 PM
Daylight: 11 hrs 41 mins
Moonrise: 8:45 PM
Moon Transit: 1:49 AM
Moonset: 7:44 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
12:59 AM - 3:29 PM

Minor Periods

8:15 PM - 9:45 PM
7:14 AM - 8:44 AM

Action Rating: 3 out of 5

Friday, March 6, 2026

Weather Forecast

Overcast
70.2°F
65.8°F
67.7°F
94%
0 in
0%
0%
15 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 10.53 μg/m3
PM10: 14.78 μg/m3
Carbon Monoxide: 109.6 μg/m3
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 68.76 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:31 AM
Sunset: 6:23 PM
Daylight: 11 hrs 43 mins
Moonrise: 9:42 PM
Moon Transit: 2:31 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
1:42 PM - 4:12 PM

Minor Periods

9:12 PM - 10:42 PM
7:43 AM - 9:13 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Patchy rain nearby
78.9°F
67.1°F
71.9°F
86%
0.01 in
74%
0%
10.7 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 11.11 μg/m3
PM10: 15.62 μg/m3
Carbon Monoxide: 109.32 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 64.54 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:30 AM
Sunset: 6:24 PM
Daylight: 11 hrs 44 mins
Moonrise: 10:39 PM
Moon Transit: 3:15 AM
Moonset: 8:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:45 AM - 5:15 AM
2:26 PM - 4:56 PM

Minor Periods

10:09 PM - 11:39 PM
8:13 AM - 9:43 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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