Water Temperature of Lavaca Bay in Port Lavaca, TX
Current Water Temperature
Measurement Time: Thursday, May 21, 2026, 6:12 PM CDT
Temperature Locations
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Local Points of Interest
Fishing Pier Park; Point Comfort , TXStation 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
San Antonio Bay, Seadrift, TX (17.3 mi)Matagorda Bay, Port O'Connor, TX (18.7 mi)
Matagorda Ship Channel, Port O'Connor, TX (22.5 mi)
Tres Palacios Bay, Palacios, TX (22.7 mi)
San Antonio Bay, Austwell, TX (30.6 mi)
Gulf Intracoastal Waterway, Matagorda, TX (42.4 mi)
East Matagorda Bay, Matagorda, TX (45 mi)
San Antonio River, Goliad, TX (47 mi)
Aransas Bay, Rockport, TX (50.3 mi)
Gulf Intracoastal Waterway, Sargent, TX (60.8 mi)
Aransas Pass, Port Aransas, TX (61.4 mi)
Corpus Christi Channel, Port Aransas, TX (62.1 mi)
Corpus Christi Bay, Portland, TX (66.8 mi)
San Antonio River, Runge, TX (69.8 mi)
Corpus Christi Bay, Corpus Christi, TX (74.4 mi)
Weather for Port Lavaca, Texas
Current Weather

Five Day Weather Forecast

Thu
H: 85°F
L: 74°F

Fri
H: 88°F
L: 72°F

Sat
H: 81°F
L: 71°F

Sun
H: 86°F
L: 71°F

Mon
H: 90°F
L: 74°F
Air Quality
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 52 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 41 mins
Moon Transit: 6:28 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:36 AM - 7:06 AM5:58 PM - 8:28 PM
Minor Periods
10:57 AM - 12:27 AM12:11 AM - 1:41 AM
Action Rating: 3 out of 5
Flood Watch issued May 21 at 2:53AM CDT until May 25 at 7:00PM CDT by NWS Corpus Christi TX
Effective: Thu May 21, 2026, 2:53 AM
Expires: Thu May 21, 2026, 3:00 PM
* WHAT...Flooding caused by excessive rainfall remains possible over the next several days * WHERE...All of South Texas * 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 week and into 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 12:27AM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX
Effective: Thu May 21, 2026, 12:27 AM
Expires: Thu May 21, 2026, 4:30 PM
* 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...From 7 AM CDT this morning 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... - Increasingly saturated grounds will be prone to faster runoff and potential flooding with additional rounds of storms expected through 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 48 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 41 mins
Moon Transit: 6:28 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:36 AM - 7:06 AM5:58 PM - 8:28 PM
Minor Periods
10:57 AM - 12:27 AM12:11 AM - 1:41 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 51.4 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:15 PM
Daylight: 13 hrs 43 mins
Moon Transit: 7:19 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM6:49 PM - 9:19 PM
Minor Periods
12:03 AM - 1:33 PM12:52 AM - 2:22 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 58.84 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:15 PM
Daylight: 13 hrs 43 mins
Moon Transit: 8:05 PM
Moonset: 1:57 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:17 AM - 8:47 AM7:35 PM - 10:05 PM
Minor Periods
1:04 PM - 2:34 PM1:27 AM - 2:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 53.72 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:16 PM
Daylight: 13 hrs 44 mins
Moon Transit: 8:48 PM
Moonset: 2:29 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
7:02 AM - 9:32 AM8:18 PM - 10:48 PM
Minor Periods
2:02 PM - 3:32 PM1:59 AM - 3:29 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.79 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 47.15 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:17 PM
Daylight: 13 hrs 45 mins
Moon Transit: 9:30 PM
Moonset: 2:58 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
7:45 AM - 10:15 AM9:00 PM - 11:30 PM
Minor Periods
2:58 PM - 4:28 PM2:28 AM - 3:58 AM
Action Rating: 2 out of 5
