Water Temperature of Matagorda Bay in Port O'Connor, TX
Current Water Temperature
Measurement Time: Wednesday, October 29, 2025, 4:18 AM CDT
Today's Tides
High: October 29, 5:42 AM, 1.26 ft
Low: October 29, 6:17 PM, 0.37 ft
Temperature Locations
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Local Points of Interest
Port O'Connor Jetty; Espiritu Santo Bay; Gulf of MexicoSponsored Content
Station Name: Port O'Connor
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Sensor Depth: -2.4 feet / -0.7 meters
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

Humidity: 49%
Feels Like: 60.1°F
Wind: N 20.8 mph
Wind Gusts: 30.8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 74°F
L: 55°F

Thu
H: 76°F
L: 45°F

Fri
H: 78°F
L: 48°F

Sat
H: 79°F
L: 63°F

Sun
H: 72°F
L: 58°F
Air Quality
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 74 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:43 PM
Daylight: 11 hrs 8 mins
Moon Transit: 7:48 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
6:00 AM - 8:30 AM7:18 PM - 9:48 PM
Minor Periods
1:58 PM - 3:28 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Wind Advisory issued October 28 at 11:18AM CDT until October 29 at 7:00AM CDT by NWS Corpus Christi TX
Effective: Tue October 28, 2025, 11:18 AM
Expires: Wed October 29, 2025, 3:00 AM
* WHAT...North winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Aransas Islands, Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Kleberg Islands, and Nueces Islands Counties. * WHEN...From 9 PM this evening to 7 AM CDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Red Flag Warning issued October 28 at 8:18PM CDT until October 29 at 7:00PM CDT by NWS Corpus Christi TX
Effective: Tue October 28, 2025, 8:18 PM
Expires: Wed October 29, 2025, 7:00 AM
...Red Flag Warning in Effect from 9 AM to 7 PM Wednesday ... * AFFECTED AREA...La Salle, McMullen, Live Oak, Bee, Goliad, Victoria, Webb, Duval, Jim Wells, Inland Kleberg, Inland Nueces, Inland San Patricio, Coastal Aransas, Inland Refugio, Inland Calhoun, Coastal Kleberg, Coastal Nueces, Coastal San Patricio, Aransas Islands, Coastal Refugio, Coastal Calhoun, Kleberg Islands, Nueces Islands and Calhoun Islands. * TIMING...9 AM TO 7 PM WEDNESDAY * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 76. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended
A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Residents are urged to exercise care with respect to all outdoor activities that could inadvertently cause wildfires. Report wildfires quickly to the nearest fire department or law enforcement office.
Wind Advisory issued October 29 at 12:39AM CDT until October 29 at 7:00PM CDT by NWS Houston/Galveston TX
Effective: Wed October 29, 2025, 12:39 AM
Expires: Wed October 29, 2025, 8:45 AM
* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects including Halloween decorations. Weak tree branches could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Red Flag Warning issued October 29 at 12:29AM CDT until October 29 at 7:00PM CDT by NWS Houston/Galveston TX
Effective: Wed October 29, 2025, 12:29 AM
Expires: Wed October 29, 2025, 8:30 AM
...Red Flag Warning Expanded to Include Austin County... * AFFECTED AREA...Colorado, Wharton, Inland Jackson, Inland Matagorda, Coastal Jackson, Coastal Matagorda and Matagorda Islands. * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Around and just above 70 degrees. * IMPACTS...Any fires that develop will likely spread rapidly. Area burn bans should be obeyed, and extreme caution used with any equipment or work that could throw sparks into dry vegetation.
A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures will create explosive fire growth potential.
Weather Forecast
Average Temperature: 64.7°F
Average Humidity: 34%
Wind: 24.2 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 83.12 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:43 PM
Daylight: 11 hrs 8 mins
Moon Transit: 7:48 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
6:00 AM - 8:30 AM7:18 PM - 9:48 PM
Minor Periods
1:58 PM - 3:28 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 59.9°F
Average Humidity: 35%
Wind: 10.7 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 3.48 μg/m3
Ozone: 73.24 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:42 PM
Daylight: 11 hrs 6 mins
Moon Transit: 8:36 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
6:49 AM - 9:19 AM8:06 PM - 10:36 PM
Minor Periods
2:33 PM - 4:03 PM12:44 AM - 2:14 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 62.4°F
Average Humidity: 53%
Wind: 10.1 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 7.21 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 72.72 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 5 mins
Moon Transit: 9:23 PM
Moonset: 2:16 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM8:53 PM - 11:23 PM
Minor Periods
3:07 PM - 4:37 PM1:46 AM - 3:16 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 71.9°F
Average Humidity: 71%
Wind: 17 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 2.38 μg/m3
Ozone: 90.32 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:41 PM
Daylight: 11 hrs 3 mins
Moon Transit: 12:00 AM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM8:24 AM - 10:54 AM
Minor Periods
3:39 PM - 5:09 PM2:47 AM - 4:17 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 63.7°F
Average Humidity: 72%
Wind: 19.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 79.69 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:40 PM
Daylight: 11 hrs 2 mins
Moon Transit: 11:31 AM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
11:01 AM - 1:31 PM11:01 AM - 1:31 PM
Minor Periods
4:12 PM - 5:42 PM3:51 AM - 5:21 AM
Action Rating: 2 out of 5
