Water Temperature of Matagorda Bay in Port O'Connor, TX
Current Water Temperature
Measurement Time: Thursday, January 22, 2026, 9:24 PM CST
Today's Tides
Low: January 22, 1:21 AM, 0.0 ft
High: January 22, 3:29 AM, 0.0 ft
Low: January 22, 1:39 PM, -0.5 ft
High: January 22, 10:06 PM, 0.0 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

Thu
H: 69°F
L: 60°F

Fri
H: 68°F
L: 64°F

Sat
H: 72°F
L: 38°F

Sun
H: 45°F
L: 31°F

Mon
H: 39°F
L: 24°F
Air Quality
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 61 μg/m3
Astronomical
Sun Transit: 12:37 AM
Sunset: 5:57 PM
Daylight: 10 hrs 40 mins
Moon Transit: 3:42 PM
Moonset: 9:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
1:57 AM - 4:27 AM3:12 PM - 5:42 PM
Minor Periods
9:21 PM - 10:51 PM9:11 AM - 10:41 AM
Action Rating: 3 out of 5
Extreme Cold Watch issued January 22 at 9:08AM CST until January 26 at 12:00PM CST by NWS Corpus Christi TX
Effective: Thu January 22, 2026, 9:08 AM
Expires: Thu January 22, 2026, 6:00 PM
* WHAT...Dangerously cold wind chills as low as 10 above possible. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Live Oak, and Victoria Counties. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Frostbite and hypothermia are likely if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...The Dense Fog Advisory has been allowed to expire. However, visibilities 1/4 to 1/2 miles across some locations may continue at times.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Watch issued January 22 at 9:08AM CST until January 26 at 12:00PM CST by NWS Corpus Christi TX
Effective: Thu January 22, 2026, 9:08 AM
Expires: Thu January 22, 2026, 6:00 PM
* WHAT...Dangerously cold wind chills as low as 14 possible. * WHERE...Aransas Islands, Calhoun Islands, Duval, Kleberg Islands, La Salle, McMullen, Nueces Islands, and Webb Counties. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Frostbite and hypothermia are likely if unprotected skin is exposed to these temperatures.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Watch issued January 22 at 1:54PM CST until January 26 at 12:00PM CST by NWS Corpus Christi TX
Effective: Thu January 22, 2026, 1:54 PM
Expires: Fri January 23, 2026, 6:00 AM
* WHAT...Dangerously cold wind chills as low as 8 degrees are possible. * WHERE...Aransas Islands, Bee, Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Kleberg Islands, La Salle, Live Oak, McMullen, Nueces Islands, Victoria, and Webb Counties. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Frostbite and hypothermia are likely if unprotected skin is exposed to these temperatures.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Watch issued January 22 at 9:12AM CST until January 26 at 12:00PM CST by NWS Houston/Galveston TX
Effective: Thu January 22, 2026, 9:12 AM
Expires: Thu January 22, 2026, 5:15 PM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Extreme Cold Watch, dangerously cold wind chills as low as 7 possible. * WHERE...Portions of south central and southeast Texas. * WHEN...For the Dense Fog Advisory, until 10 AM CST this morning. For the Extreme Cold Watch, from Saturday evening through Monday morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. Low visibility could make driving conditions hazardous.
Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. Monitor the latest forecasts and warnings for updates. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Extreme Cold Watch issued January 22 at 3:08PM CST until January 26 at 12:00PM CST by NWS Houston/Galveston TX
Effective: Thu January 22, 2026, 3:08 PM
Expires: Fri January 23, 2026, 6:00 AM
* WHAT...Dangerously cold wind chills as low as 0 to 15 degrees possible. Lowest values in the Piney Woods and Brazos Valley. A hard freeze is also possible Saturday night and Sunday night with lows in the 10s to lower 20s. Some areas north of I-10 may remain below freezing all day on Sunday. * WHERE...Portions of south central and southeast Texas. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.
Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent water pipes from freezing; insulate, wrap, or drain them. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. Monitor the latest forecasts and warnings for updates.
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 55.08 μg/m3
Astronomical
Sun Transit: 12:37 AM
Sunset: 5:57 PM
Daylight: 10 hrs 40 mins
Moon Transit: 3:42 PM
Moonset: 9:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
1:57 AM - 4:27 AM3:12 PM - 5:42 PM
Minor Periods
9:21 PM - 10:51 PM9:11 AM - 10:41 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.54 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 66.64 μg/m3
Astronomical
Sun Transit: 12:37 AM
Sunset: 5:58 PM
Daylight: 10 hrs 41 mins
Moon Transit: 8:54 AM
Moonset: 10:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
10:21 PM - 11:51 PM9:42 AM - 11:12 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.99 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 72.84 μg/m3
Astronomical
Sun Transit: 12:37 AM
Sunset: 5:59 PM
Daylight: 10 hrs 42 mins
Moon Transit: 5:13 PM
Moonset: 11:53 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:43 PM - 7:13 PM
Minor Periods
12:00 AM - 12:00 AM10:13 AM - 11:43 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.3 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 49.2 μg/m3
Astronomical
Sun Transit: 12:37 AM
Sunset: 6:00 PM
Daylight: 10 hrs 43 mins
Moon Transit: 6:03 PM
Moonset: 12:53 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
4:15 AM - 6:45 AM5:33 PM - 8:03 PM
Minor Periods
10:46 AM - 12:16 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 3.13 μg/m3
Ozone: 65.46 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:01 PM
Daylight: 10 hrs 45 mins
Moon Transit: 6:56 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
5:06 AM - 7:36 AM6:26 PM - 8:56 PM
Minor Periods
11:25 AM - 12:55 AM12:28 AM - 1:58 AM
Action Rating: 4 out of 5
