Water Temperature of Matagorda Bay in Port O'Connor, TX

Current Water Temperature

88.5°F

Measurement Time: Monday, July 20, 2026, 10:12 AM CDT

Today's Tides

 High: July 20, 8:48 AM, 0.4 ft
Low: July 20, 6:16 PM, 0.0 ft

Temperature Locations

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Local Points of Interest

Port O'Connor Jetty; Espiritu Santo Bay; Gulf of Mexico

Matagorda Bay

Station Name: Port O'Connor
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

Nearest Address:
S Washington Blvd
Port O'Connor, TX 97982
Calhoun County

GPS Coordinates: 28.445861, -96.395556

Nearby Water Temperatures

Matagorda Ship Channel, Port O'Connor, TX (4.2 mi)
Lavaca Bay, Port Lavaca, TX (18.7 mi)
Tres Palacios Bay, Palacios, TX (19.1 mi)
San Antonio Bay, Seadrift, TX (19.4 mi)
San Antonio Bay, Austwell, TX (28.6 mi)
Gulf Intracoastal Waterway, Matagorda, TX (34.5 mi)
East Matagorda Bay, Matagorda, TX (36.6 mi)
Aransas Bay, Rockport, TX (49.3 mi)
Gulf Intracoastal Waterway, Sargent, TX (52.3 mi)
Aransas Pass, Port Aransas, TX (57.5 mi)
Corpus Christi Channel, Port Aransas, TX (58.8 mi)
San Antonio River, Goliad, TX (61.7 mi)
Corpus Christi Bay, Portland, TX (66.9 mi)
Brazos River, Freeport, TX (68.9 mi)
Corpus Christi Bay, Corpus Christi, TX (74.8 mi)

Weather for Port O'Connor, Texas

Current Weather

84.6°F
Mist
Mist
92.1°F
94°F
85%
SSW 6.7 mph
7.7 mph
85.5°F
74.9°F
0 in
50%
3 mi
1015 mbar
4.4

Five Day Weather Forecast

Sunny
Mon
H: 98°F
L: 76°F
Sunny
Tue
H: 95°F
L: 76°F
Sunny
Wed
H: 101°F
L: 78°F
Sunny
Thu
H: 93°F
L: 78°F
Sunny
Fri
H: 93°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 13 μg/m3
PM10: 23.4 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:32 PM
Sunset: 8:23 PM
Daylight: 13 hrs 42 mins
Moonrise: 1:04 PM
Moon Transit: 6:48 PM
Moonset: 12:57 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
6:18 PM - 8:48 PM

Minor Periods

12:34 AM - 2:04 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Flood Warning issued July 19 at 9:07PM CDT until July 22 at 6:48AM CDT by NWS Corpus Christi TX

Effective: Sun July 19, 2026, 9:07 PM
Expires: Mon July 20, 2026, 12:15 PM

...The Flood Warning continues for the following rivers in Texas... Rio Grande At Laredo affecting Webb County. Frio River At Tilden affecting McMullen and Live Oak Counties. ...The Flood Warning is extended for the following rivers in Texas... Nueces River At Cotulla affecting La Salle County. San Antonio River At Goliad affecting Refugio, Victoria, Goliad and Calhoun Counties. For the Rio Grande...including Laredo...Minor flooding is forecast. For the Nueces River...including Cotulla...Major flooding is forecast. For the Frio River...including Tilden...Major flooding is forecast. For the San Antonio River...including Goliad...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...San Antonio River at Goliad. * WHEN...Until Wednesday morning. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 24.3 feet. - Bankfull stage is 22.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 27.3 feet tomorrow evening. It will then fall below flood stage early Tuesday afternoon. - Flood stage is 25.0 feet. - Flood History...This crest compares to a previous crest of 27.3 feet on 01/18/2010. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/crp.


Monday, July 20, 2026

Weather Forecast

Sunny
97.7°F
76.3°F
85.5°F
75%
0 in
7%
0%
11.2 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 13.03 μg/m3
PM10: 22.83 μg/m3
Carbon Monoxide: 90.25 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 46.67 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:32 PM
Sunset: 8:23 PM
Daylight: 13 hrs 42 mins
Moonrise: 1:04 PM
Moon Transit: 6:48 PM
Moonset: 12:57 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
6:18 PM - 8:48 PM

Minor Periods

12:34 AM - 2:04 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
95°F
75.6°F
84°F
69%
0 in
5%
0%
13.6 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 14.49 μg/m3
PM10: 25.48 μg/m3
Carbon Monoxide: 90.13 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 46.13 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:32 PM
Sunset: 8:23 PM
Daylight: 13 hrs 41 mins
Moonrise: 2:01 PM
Moon Transit: 7:32 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
7:02 PM - 9:32 PM

Minor Periods

1:31 PM - 3:01 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
100.8°F
78.4°F
85.8°F
63%
0 in
6%
0%
12.3 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 14.51 μg/m3
PM10: 22.48 μg/m3
Carbon Monoxide: 94.54 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 52.54 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:32 PM
Sunset: 8:22 PM
Daylight: 13 hrs 40 mins
Moonrise: 2:58 PM
Moon Transit: 8:18 PM
Moonset: 1:00 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
7:48 PM - 10:18 PM

Minor Periods

2:28 PM - 3:58 PM
12:30 AM - 2:00 AM

Action Rating: 3 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
93.4°F
78.3°F
84.8°F
69%
0 in
5%
0%
12.5 mph
11.7


Air Quality

AQI: 1 - Good
PM2.5: 12.26 μg/m3
PM10: 17.75 μg/m3
Carbon Monoxide: 103.55 μg/m3
Nitrogen Dioxide: 2.38 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 49.88 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:32 PM
Sunset: 8:22 PM
Daylight: 13 hrs 39 mins
Moonrise: 3:55 PM
Moon Transit: 9:06 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
8:36 PM - 11:06 PM

Minor Periods

3:25 PM - 4:55 PM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
93.2°F
78.3°F
85.2°F
68%
0 in
5%
0%
16.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 14.15 μg/m3
PM10: 19.86 μg/m3
Carbon Monoxide: 150.88 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 39.75 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:32 PM
Sunset: 8:21 PM
Daylight: 13 hrs 38 mins
Moonrise: 4:51 PM
Moon Transit: 9:56 PM
Moonset: 2:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
9:26 PM - 11:56 PM

Minor Periods

4:21 PM - 5:51 PM
1:45 AM - 3:15 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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