Water Temperature of Matagorda Bay in Port O'Connor, TX
Current Water Temperature
Measurement Time: Tuesday, April 21, 2026, 4:18 PM CDT
Today's Tides
Low: April 21, 2:47 AM, 0.0 ft
High: April 21, 4:07 PM, 1.1 ft
Temperature Locations
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Local Points of Interest
Port O'Connor Jetty; Espiritu Santo Bay; Gulf of MexicoStation 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

Five Day Weather Forecast

Tue
H: 73°F
L: 65°F

Wed
H: 81°F
L: 69°F

Thu
H: 82°F
L: 71°F

Fri
H: 84°F
L: 72°F

Sat
H: 86°F
L: 72°F
Air Quality
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 96 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
3:45 AM - 6:15 AM5:10 PM - 7:40 PM
Minor Periods
9:45 AM - 11:15 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Coastal Flood Advisory issued April 21 at 12:45AM CDT until April 21 at 7:00PM CDT by NWS Corpus Christi TX
Effective: Tue April 21, 2026, 12:45 AM
Expires: Tue April 21, 2026, 7:00 PM
* WHAT...Minor coastal flooding expected. * WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and Calhoun Islands Counties. * WHEN...From 4 AM early this morning to 7 PM CDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Flood Warning issued April 21 at 9:00AM CDT by NWS Corpus Christi TX
Effective: Tue April 21, 2026, 9:00 AM
Expires: Wed April 22, 2026, 12:00 AM
...The National Weather Service in Corpus Christi TX has issued a Flood Warning for the following rivers in Texas... Guadalupe River Near Bloomington affecting Calhoun, Victoria and Refugio Counties. For the Guadalupe River...including Victoria, Bloomington...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Guadalupe River near Bloomington. * WHEN...From Thursday afternoon until further notice. * IMPACTS...At 24.0 feet, Moderate lowland flooding occurs, with the river reaching well into the flood plain. Any oil tank batteries, pump jacks, and secondary roads near the river may be flooded.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/crp.
Flood Warning issued April 21 at 8:58AM CDT by NWS Corpus Christi TX
Effective: Tue April 21, 2026, 8:58 AM
Expires: Wed April 22, 2026, 12:00 AM
...The National Weather Service in Corpus Christi TX has issued a Flood Warning for the following rivers in Texas... Guadalupe River At Victoria affecting Victoria County. For the Guadalupe River...including Victoria, Bloomington...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Guadalupe River at Victoria. * WHEN...From Thursday afternoon until further notice. * IMPACTS...At 22.5 feet, Minor lowland flooding occurs. Fox's Bend in Riverside Park becomes inaccessible, and the Riverside Boat Ramp parking area is affected by flood waters.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/crp.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 102.8 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
3:45 AM - 6:15 AM5:10 PM - 7:40 PM
Minor Periods
9:45 AM - 11:15 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.36 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 92.56 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 2 mins
Moon Transit: 6:43 PM
Moonset: 1:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
4:49 AM - 7:19 AM6:13 PM - 8:43 PM
Minor Periods
10:52 AM - 12:22 AM12:35 AM - 2:05 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 85.6 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:56 PM
Daylight: 13 hrs 4 mins
Moon Transit: 7:40 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
5:49 AM - 8:19 AM7:10 PM - 9:40 PM
Minor Periods
12:01 AM - 1:31 PM1:28 AM - 2:58 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.07 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 68.92 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:57 PM
Daylight: 13 hrs 5 mins
Moon Transit: 8:33 PM
Moonset: 2:44 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
6:44 AM - 9:14 AM8:03 PM - 10:33 PM
Minor Periods
1:07 PM - 2:37 PM2:14 AM - 3:44 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 58.08 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:57 PM
Daylight: 13 hrs 7 mins
Moon Transit: 9:20 PM
Moonset: 3:21 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
7:34 AM - 10:04 AM8:50 PM - 11:20 PM
Minor Periods
2:10 PM - 3:40 PM2:51 AM - 4:21 AM
Action Rating: 2 out of 5
