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

Special Marine Warning issued July 15 at 2:33PM CDT until July 15 at 3:30PM CDT by NWS Corpus Christi TX

Effective: Wed July 15, 2026, 2:33 PM
Expires: Wed July 15, 2026, 3:30 PM

SMWCRP The National Weather Service in Corpus Christi has issued a * Special Marine Warning for... Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM... San Antonio, Mesquite, and Espiritu Santo Bays... * Until 330 PM CDT. * At 232 PM CDT, a cluster of severe thunderstorms capable of producing waterspouts were located southwest of Matagorda Island 557, moving north at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats, damage vessels and oil rigs, and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations impacted include... Port Oconnor.

Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

Special Marine Warning issued July 15 at 2:26PM CDT until July 15 at 4:00PM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 2:26 PM
Expires: Wed July 15, 2026, 4:00 PM

SMWHGX The National Weather Service in League City has issued a * Special Marine Warning for... Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM... Matagorda Bay... * Until 400 PM CDT. * At 225 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 9 nm northwest of Turtle Bay to 16 nm southwest of Matagorda Island 557, moving northeast at 35 knots. HAZARD...Waterspouts and brief sudden wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Tabs Buoy W, Matagorda Ship Channel, Turtle Bay, Brazos 490, Matagorda Island 557, Matagorda Jetty, Palacios Bay, Port Oconnor, and southwestern East Matagorda Bay.

Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

Flood Advisory issued July 15 at 10:19AM CDT until July 15 at 12:45PM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 10:19 AM
Expires: Wed July 15, 2026, 12:45 PM

* WHAT...Minor road and small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of south central and southeast Texas, including the following counties, in south central Texas, Jackson. In southeast Texas, Wharton. * WHEN...Until 1245 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1019 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This is causing urban and small stream flooding. Between 1 and 4 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Edna, Ganado, La Ward, Lolita, Lake Texana Dam, Louise, Cordele and Vanderbilt. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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.

Flood Advisory issued July 15 at 2:38PM CDT until July 15 at 4:15PM CDT by NWS Houston/Galveston TX

Effective: Wed July 15, 2026, 2:38 PM
Expires: Wed July 15, 2026, 4:15 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall continues. * WHERE...Portions of south central and southeast Texas, including the following counties, in south central Texas, Jackson. In southeast Texas, Wharton. * WHEN...Until 415 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 238 PM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This is causing urban and small stream flooding. Between 2 and 5 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Edna, Ganado, La Ward, Lolita, Lake Texana Dam, Louise, Cordele and Vanderbilt. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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.

Flood Warning issued July 14 at 9:00PM CDT until July 16 at 2:20AM CDT by NWS Houston/Galveston TX

Effective: Tue July 14, 2026, 9:00 PM
Expires: Wed July 15, 2026, 3:00 PM

...The Flood Warning continues for the following rivers in Texas... Tres Palacios River near Midfield affecting Matagorda and Wharton 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 early Thursday 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 Tuesday the stage was 28.8 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Tuesday was 28.8 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 4.5 feet Sunday evening. - Flood stage is 24.0 feet. - Flood History...This crest compares to a previous crest of 28.9 feet on 03/17/1997. - 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. Additional information is available at www.weather.gov/hgx. The next statement will be issued by Wednesday afternoon at 300 PM CDT.