gage height, Oct 20, 2026 at 11:30 AM CDT · 20 minutes ago
Highest since 2007 (USGS)
32.29 ft (August 27, 2017)
Usual range
1.08 to 3.07 ft
USGS marks recent readings as provisional: they can be revised after review.
Active National Weather Service alerts for Harris County
Tsunami Warning — issued Oct 20, 2026 at 11:31 AM CDT, expires Oct 20, 2026 at 12:31 PM CDT. TEST Tsunami Warning issued October 20 at 12:31PM EDT until October 20 at 1:31PM EDT by NWS National Tsunami Warning Center
Text as issued by NWS Houston/Galveston.
Last 7 days
Hourly averages of USGS readings. The shaded band is this gauge's usual range: the middle 80% of its readings since September 11, 2026.
How to read this gauge
Gage height is the height of the water surface above the gauge's zero point. This gauge's zero is set at 0 ft NAVD88, so its gage height is the water surface elevation above that datum. It is not a water depth.
Daily highs and lows since September 11, 2026
Annual peaks since 2007
In 20 complete water years of comparable USGS records (since 2007), the highest peak was 32.29 ft on August 27, 2017. So far in water year 2027 (since October 1) the highest reading is 8.26 ft on October 2, 2026.
Each dot is the highest gage height of a water year (October to September), from the USGS annual peak record, with recent years USGS has not published yet taken from its 15-minute readings and this site's own; hover a dot for its date. Dashed lines are NWS flood stages.
highest since water year 2026 (16.17 ft on May 1, 2026)
Harris County gauge nearby
Brays Bayou at Martin Luther King Blvd, less than 0.1 mi away, read 2.16 ft at Oct 20, 2026 at 11:43 AM CDT, 33.8 ft below its top of bank. Both gauges report water surface elevation.
Download the readings
brays-bayou-at-mlk-jr-blvd-houston.csv (CSV): every reading stored for this gauge since September 11, 2026, 3,639 rows, with time in UTC and Central, gage height in feet, and the USGS approval status.
Source. Gage height from the U.S. Geological Survey. This site is not affiliated with either agency.