gage height, Oct 20, 2026 at 11:00 AM CDT · 35 minutes ago
Highest since 2011 (USGS)
83.68 ft (August 30, 2017)
Usual range
56.53 to 59.07 ft
USGS marks recent readings as provisional: they can be revised after review.
No National Weather Service alert covering Harris County was active when this page was generated (Oct 20, 2026 at 11:35 AM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.
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 2011
In 16 complete water years of comparable USGS records (since 2011), the highest peak was 83.68 ft on August 30, 2017. So far in water year 2027 (since October 1) the highest reading is 59.31 ft on October 7, 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 (60.84 ft on June 22, 2026)
Download the readings
buffalo-bayou-at-state-highway-6-near-addicks.csv (CSV): every reading stored for this gauge since September 11, 2026, 928 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.
