Station Name: Port Lavaca
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -1 feet

Nearest Address:
780–798 Broadway St
Port Lavaca, TX 77979
Calhoun County

GPS Coordinates: 28.640600, -96.609802

Nearby Water Temperatures

Flood Watch issued May 21 at 11:19PM CDT until May 25 at 7:00PM CDT by NWS Corpus Christi TX

Effective: Thu May 21, 2026, 11:19 PM
Expires: Fri May 22, 2026, 2:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south Texas, including the following areas, 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. * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Periods of rain, at times heavy, will continue through the upcoming weekend. Fairly widespread totals of 2 to 4 inches can be expected with localized totals of up to 6 inches through Monday. These values could exceed flash flood guidance particularly over areas that have already received heavy rainfall over the last few days. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued May 21 at 1:54PM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Thu May 21, 2026, 1:54 PM
Expires: Fri May 22, 2026, 11:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Areas along the coast, especially Matagorda and Brazoria Counties, received 6-8" of rainfall over the past two days. These areas in particular are vulnerable to additional rounds of rainfall over the next 24-48 hours, which brings the potential for flash flooding. The next round of rain is expected late this evening or Friday morning. Rainfall rates are expected to peak in the 3-4+" per hour range in the heaviest downpours. Additional rainfall totals through Monday are anticipated to be in the 4-6" range with isolated higher totals. The Flood Watch will likely be expanded going into the weekend. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued May 22 at 12:50AM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 22, 2026, 12:50 AM
Expires: Fri May 22, 2026, 9:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Areas along the coast, especially Matagorda and Brazoria Counties, received 6-8" of rainfall over the past two days. These areas in particular are vulnerable to additional rounds of rainfall over the next 24-48 hours, which brings the potential for flash flooding. The next round of rain is expected late this evening or Friday morning. Rainfall rates are expected to peak in the 3-4+" per hour range in the heaviest downpours. Additional rainfall totals through Monday are anticipated to be in the 4-6" range with isolated higher totals. The Flood Watch will likely be expanded going into the weekend. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.