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

Current Water Temperature

81.3°F

Measurement Time: Monday, October 13, 2025, 3:18 AM CDT

Today's Tides

 High: October 13, 6:14 AM, 1.94 ft
Low: October 13, 8:55 PM, 0.17 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

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San Jacinto River

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

Elevation Above Sea Level: 13 feet / 4 meters

Sensor Depth: -2.7 feet / -0.8 meters

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 (22.0 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

68.2°F
Clear
Conditions: Clear
Humidity: 78%
Feels Like: 68.2°F
Wind: SSW 4 mph
Wind Gusts: 7.5 mph
Pressure: 29.86 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Mon
H: 87°F
L: 69°F
Sunny
Tue
H: 90°F
L: 70°F
Sunny
Wed
H: 89°F
L: 70°F
Sunny
Thu
H: 84°F
L: 71°F
Patchy rain nearby
Fri
H: 85°F
L: 74°F

Air Quality

PM2.5: 12.95 μg/m3
PM10: 14.25 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 13.35 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:06 PM
Sunset: 6:51 PM
Daylight: 11 hrs 31 mins
Moonrise: 12:42 AM
Moon Transit: 7:07 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
6:25 PM - 8:55 PM

Minor Periods

1:59 PM - 3:29 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Air Quality Alert issued October 12 at 2:11PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun October 12, 2025, 2:11 PM
Expires: Mon October 13, 2025, 6:15 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Monday, October 13, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Monday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Monday, October 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 9.19 μg/m3
PM10: 10.93 μg/m3
Carbon Monoxide: 178.49 μg/m3
Nitrogen Dioxide: 7.91 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 118.12 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:06 PM
Sunset: 6:51 PM
Daylight: 11 hrs 31 mins
Moonrise: 12:42 AM
Moon Transit: 7:07 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
6:25 PM - 8:55 PM

Minor Periods

1:59 PM - 3:29 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, October 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80.1°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 12.27 μg/m3
PM10: 13.39 μg/m3
Carbon Monoxide: 187.37 μg/m3
Nitrogen Dioxide: 11.11 μg/m3
Sulphur Dioxide: 3.68 μg/m3
Ozone: 116.28 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:05 PM
Sunset: 6:50 PM
Daylight: 11 hrs 29 mins
Moonrise: 12:49 AM
Moon Transit: 8:04 AM
Moonset: 3:13 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
7:19 PM - 9:49 PM

Minor Periods

2:43 PM - 4:13 PM
12:19 AM - 1:49 AM

Action Rating: 4 out of 5

Wednesday, October 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 79.7°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 14.67 μg/m3
PM10: 14.85 μg/m3
Carbon Monoxide: 226.01 μg/m3
Nitrogen Dioxide: 10.02 μg/m3
Sulphur Dioxide: 3.74 μg/m3
Ozone: 125.88 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:05 PM
Sunset: 6:49 PM
Daylight: 11 hrs 28 mins
Moonrise: 1:53 AM
Moon Transit: 8:55 AM
Moonset: 3:50 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
8:08 PM - 10:38 PM

Minor Periods

3:20 PM - 4:50 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77.6°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 12.72 μg/m3
PM10: 13.28 μg/m3
Carbon Monoxide: 194.23 μg/m3
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 3.09 μg/m3
Ozone: 132.85 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:05 PM
Sunset: 6:48 PM
Daylight: 11 hrs 26 mins
Moonrise: 2:55 AM
Moon Transit: 9:42 AM
Moonset: 4:22 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:53 PM - 11:23 PM
9:12 AM - 11:42 AM

Minor Periods

3:52 PM - 5:22 PM
2:25 AM - 3:55 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 78°F
Average Humidity: 69%
Chance of Rain: 87%
Wind: 10.5 mph
UV Index: 0

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: 7:23 AM
Sun Transit: 1:05 PM
Sunset: 6:47 PM
Daylight: 11 hrs 24 mins
Moonrise: 3:53 AM
Moon Transit: 10:25 AM
Moonset: 4:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:55 AM - 12:25 AM

Minor Periods

4:21 PM - 5:51 PM
3:23 AM - 4:53 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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