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

Flood Warning issued July 15 at 3:29PM CDT until July 17 at 10:18AM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 3:29 PM
Expires: Thu July 16, 2026, 9:30 AM

...The Flood Warning is extended for the following rivers in Texas... Tres Palacios River near Midfield affecting Wharton and Matagorda Counties. East Mustang Creek near Louise affecting Wharton and Jackson Counties. For the Tres Palacios River...including Midfield...Moderate flooding is forecast. For the East Mustang Creek...including Louise...Minor flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Tres Palacios River near Midfield. * WHEN...Until late Friday morning. * IMPACTS...At 28.0 feet, Water is over the road on FM 1468 near Clemville, FM 2431 east of Midfield, and FM 2853 southeast of Blessing all in Matagorda County. Homes in the subdivisions of El Dorado Country upstream and Oak Grove and Tres Palacios Oaks downstream are threatened. * ADDITIONAL DETAILS... - At 2:30 PM CDT Wednesday the stage was 27.9 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:30 PM CDT Wednesday was 28.8 feet. - Forecast...The river is expected to rise to a crest of 28.2 feet this evening. It will then fall below flood stage late tomorrow evening. - Flood stage is 24.0 feet. - Flood History...This crest compares to a previous crest of 28.2 feet on 10/22/1984. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/hgx. The next statement will be issued Thursday morning at 930 AM CDT.

Flood Warning issued July 15 at 8:51PM CDT until July 17 at 11:35AM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 8:51 PM
Expires: Thu July 16, 2026, 3:00 PM

...The Flood Warning is extended for the following rivers in Texas... Tres Palacios River near Midfield affecting Matagorda and Wharton Counties. East Mustang Creek near Louise affecting Wharton and Jackson Counties. For the Tres Palacios River...including Midfield...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Tres Palacios River near Midfield. * WHEN...Until late Friday morning. * IMPACTS...At 28.0 feet, Water is over the road on FM 1468 near Clemville, FM 2431 east of Midfield, and FM 2853 southeast of Blessing all in Matagorda County. Homes in the subdivisions of El Dorado Country upstream and Oak Grove and Tres Palacios Oaks downstream are threatened. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 27.9 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 28.8 feet. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 5.9 feet Monday evening. - Flood stage is 24.0 feet. - Flood History...This crest compares to a previous crest of 27.9 feet on 05/08/1972. - http://www.weather.gov/safety/flood

Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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. Additional information is available at www.weather.gov/hgx. The next statement will be issued Thursday.Thursday morning at 1115 AM CDT.

Flood Warning issued July 15 at 3:29PM CDT until July 16 at 9:24AM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 3:29 PM
Expires: Thu July 16, 2026, 9:30 AM

...The Flood Warning is extended for the following rivers in Texas... Tres Palacios River near Midfield affecting Wharton and Matagorda Counties. East Mustang Creek near Louise affecting Wharton and Jackson Counties. For the Tres Palacios River...including Midfield...Moderate flooding is forecast. For the East Mustang Creek...including Louise...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Mustang Creek near Louise. * WHEN...Until late tomorrow morning. * IMPACTS...At 19.0 feet, Minor lowland begins as water spills into the floodplain downstream of the gage. * ADDITIONAL DETAILS... - At 2:30 PM CDT Wednesday the stage was 19.6 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:30 PM CDT Wednesday was 19.6 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 5.4 feet early Monday afternoon. - Flood stage is 19.0 feet. - Flood History...This crest compares to a previous crest of 19.6 feet on 07/02/2010. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/hgx. The next statement will be issued Thursday morning at 930 AM CDT.

Flood Warning issued July 15 at 8:51PM CDT until July 16 at 11:07AM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 8:51 PM
Expires: Thu July 16, 2026, 11:15 AM

...The Flood Warning is extended for the following rivers in Texas... Tres Palacios River near Midfield affecting Matagorda and Wharton Counties. East Mustang Creek near Louise affecting Wharton and Jackson Counties. For the Tres Palacios River...including Midfield...Moderate flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...East Mustang Creek near Louise. * WHEN...Until late tomorrow morning. * IMPACTS...At 19.0 feet, Minor lowland begins as water spills into the floodplain downstream of the gage. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 19.7 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 19.8 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 5.4 feet Monday evening. - Flood stage is 19.0 feet. - Flood History...This crest compares to a previous crest of 19.7 feet on 07/16/2003. - http://www.weather.gov/safety/flood

Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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. Additional information is available at www.weather.gov/hgx. The next statement will be issued Thursday.Thursday morning at 1115 AM CDT.