Station Name: Rio Grande nr Mercedes, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 75 feet / 23 meters

Nearest Address:
Mercedes, TX 78570
Hidalgo County

GPS Coordinates: 26.0615722, -97.8999833

Nearby Water Temperatures

Rip Current Statement issued October 28 at 12:13PM CDT until October 29 at 7:00PM CDT by NWS Brownsville TX

Effective: Tue October 28, 2025, 12:13 PM
Expires: Wed October 29, 2025, 1:00 AM

* WHAT...For the High Surf Advisory, large breaking waves of 5 to 12 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...For the High Surf Advisory, from 7 AM to 7 PM CDT Wednesday. For the High Rip Current Risk, from Wednesday morning through Wednesday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. 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.

High Surf Advisory issued October 28 at 12:13PM CDT until October 29 at 7:00PM CDT by NWS Brownsville TX

Effective: Tue October 28, 2025, 12:13 PM
Expires: Wed October 29, 2025, 1:00 AM

* WHAT...For the High Surf Advisory, large breaking waves of 5 to 12 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...For the High Surf Advisory, from 7 AM to 7 PM CDT Wednesday. For the High Rip Current Risk, from Wednesday morning through Wednesday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. 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.

Red Flag Warning issued October 28 at 11:59AM CDT until October 29 at 7:00PM CDT by NWS Brownsville TX

Effective: Tue October 28, 2025, 11:59 AM
Expires: Wed October 29, 2025, 1:00 AM

...Red Flag Warning In Effect Wednesday... .Very low relative humidity, breezy north to northwest winds, and dry fuels will result in critical fire danger across all of Deep South Texas on Wednesday in wake of the passage of a strong cold front. The National Weather Service in Brownsville has upgraded the Fire Weather Watch to a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 7 PM CDT Wednesday. * AFFECTED AREA...Zapata, Jim Hogg, Brooks, Inland Kenedy, Starr, Southern Hidalgo, Inland Willacy, Inland Cameron, Coastal Kenedy, Northern Hidalgo, Coastal Willacy, Coastal Cameron, Kenedy Island, Willacy Island and Cameron Island. * TIMING...From 10 AM to 7 PM CDT Wednesday. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 78. * LIGHTNING...None * IMPACTS...Any fire that develops will catch and spread quickly. 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.

Wind Advisory issued October 28 at 11:53AM CDT until October 29 at 1:00PM CDT by NWS Brownsville TX

Effective: Tue October 28, 2025, 11:53 AM
Expires: Wed October 29, 2025, 1:00 AM

* WHAT...North winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Cameron Island, Coastal Cameron, Coastal Kenedy, Coastal Willacy, Kenedy Island, and Willacy Island Counties. * WHEN...From 10 PM this evening to 1 PM 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.