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

Current Water Temperature

87.1°F

Measurement Time: Wednesday, September 2, 2026, 10:00 PM CDT

Today's Tides

 High: September 2, 3:02 AM, 1.4 ft
Low: September 2, 6:47 PM, 0.1 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

84°F
Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
84%
S 15 mph
79°F

Weather Forecast

Chance Showers And Thunderstorms
Tonight
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
88°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday Night
79°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Friday Night
80°F - Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And Thunderstorms
Saturday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday Night
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday
90°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday Night
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Labor Day
90°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday Night
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday Night
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday
89°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:19 PM
Sunset: 7:41 PM
Daylight: 12 hrs 43 mins
Moonrise: 10:59 PM
Moon Transit: 5:17 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
4:34 PM - 7:04 PM

Minor Periods

10:29 PM - 11:59 PM
11:58 AM - 1:28 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:19 PM
Sunset: 7:41 PM
Daylight: 12 hrs 43 mins
Moonrise: 10:59 PM
Moon Transit: 5:17 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
4:34 PM - 7:04 PM

Minor Periods

10:29 PM - 11:59 PM
11:58 AM - 1:28 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:19 PM
Sunset: 7:39 PM
Daylight: 12 hrs 41 mins
Moonrise: 11:50 PM
Moon Transit: 6:14 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
5:32 PM - 8:02 PM

Minor Periods

12:00 AM - 12:00 AM
1:06 PM - 2:36 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:19 PM
Sunset: 7:39 PM
Daylight: 12 hrs 41 mins
Moonrise: 11:50 PM
Moon Transit: 6:14 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
5:32 PM - 8:02 PM

Minor Periods

12:00 AM - 12:00 AM
1:06 PM - 2:36 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:38 PM
Daylight: 12 hrs 39 mins
Moonrise: 12:50 AM
Moon Transit: 7:14 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:44 AM - 9:14 AM
6:34 PM - 9:04 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:38 PM
Daylight: 12 hrs 39 mins
Moonrise: 12:50 AM
Moon Transit: 7:14 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:44 AM - 9:14 AM
6:34 PM - 9:04 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:37 PM
Daylight: 12 hrs 38 mins
Moonrise: 12:49 AM
Moon Transit: 8:17 AM
Moonset: 3:46 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
7:37 PM - 10:07 PM

Minor Periods

3:16 PM - 4:46 PM
12:19 AM - 1:49 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:18 PM
Sunset: 7:37 PM
Daylight: 12 hrs 38 mins
Moonrise: 12:49 AM
Moon Transit: 8:17 AM
Moonset: 3:46 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
7:37 PM - 10:07 PM

Minor Periods

3:16 PM - 4:46 PM
12:19 AM - 1:49 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:18 PM
Sunset: 7:36 PM
Daylight: 12 hrs 36 mins
Moonrise: 1:55 AM
Moon Transit: 9:20 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
8:39 PM - 11:09 PM

Minor Periods

4:11 PM - 5:41 PM
1:25 AM - 2:55 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:18 PM
Sunset: 7:36 PM
Daylight: 12 hrs 36 mins
Moonrise: 1:55 AM
Moon Transit: 9:20 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
8:39 PM - 11:09 PM

Minor Periods

4:11 PM - 5:41 PM
1:25 AM - 2:55 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:17 PM
Sunset: 7:35 PM
Daylight: 12 hrs 34 mins
Moonrise: 3:05 AM
Moon Transit: 10:20 AM
Moonset: 5:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:50 AM - 12:20 AM

Minor Periods

4:58 PM - 6:28 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:17 PM
Sunset: 7:35 PM
Daylight: 12 hrs 34 mins
Moonrise: 3:05 AM
Moon Transit: 10:20 AM
Moonset: 5:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:50 AM - 12:20 AM

Minor Periods

4:58 PM - 6:28 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:17 PM
Sunset: 7:33 PM
Daylight: 12 hrs 32 mins
Moonrise: 4:15 AM
Moon Transit: 11:16 AM
Moonset: 6:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

5:39 PM - 7:09 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:17 PM
Sunset: 7:33 PM
Daylight: 12 hrs 32 mins
Moonrise: 4:15 AM
Moon Transit: 11:16 AM
Moonset: 6:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

5:39 PM - 7:09 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:17 PM
Sunset: 7:32 PM
Daylight: 12 hrs 31 mins
Moonrise: 5:22 AM
Moon Transit: 12:07 AM
Moonset: 6:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

6:15 PM - 7:45 PM
4:52 AM - 6:22 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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