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 June 21 at 6:28AM CDT until June 21 at 8:30AM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 6:28 AM
Expires: Sun June 21, 2026, 8:30 AM

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... Coastal waters from High Island to Freeport TX out 20 NM... Galveston Bay... Matagorda Bay... Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM... * Until 830 AM CDT. * At 627 AM CDT, a severe thunderstorm capable of producing waterspouts was located near Port Oconnor, moving northeast at 30 knots. HAZARD...Waterspouts and wind gusts to 40 knots. 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... Brazos 400, Matagorda Ship Channel, Brazos 439, Matagorda Island 557, Galveston 344, Drum Bay, Palacios Bay, Galveston 282, Tabs Buoy W, San Luis Pass, Turtle Bay, Surfside Jetty, Brazos 490, East Matagorda Bay, Christmas Bay, Matagorda Jetty, Bastrop Bay, and southwestern West 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. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Rip Current Statement issued June 21 at 12:08AM CDT until June 21 at 7:00PM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 12:08 AM
Expires: Sun June 21, 2026, 8:15 AM

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard and away from rocks, jetties, and piers. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Rip Current Statement issued June 21 at 9:52AM CDT until June 22 at 7:00PM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 9:52 AM
Expires: Mon June 22, 2026, 1:00 AM

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through Monday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard and away from rocks, jetties, and piers. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.