Gulf Coast Gauges

White Oak Bayou at Main St, Houston water level

USGS gauge 08074598 · Harris County · White Oak Bayou watershed

2.35 ft

gage height, Oct 20, 2026 at 11:00 AM CDT · 35 minutes ago

Highest since 2010 (USGS)
38.09 ft (August 27, 2017)
Usual range
1.16 to 3.25 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

-0.5 1.4 3.2 Oct 14 Oct 15 Oct 16 Oct 17 Oct 18 Oct 19 Oct 20

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

-0.5 2.8 6.1 2026-09-11 – 2026-10-20 · bars are daily low to high

Annual peaks since 1993

In 16 complete water years of comparable USGS records (since 2010), the highest peak was 38.09 ft on August 27, 2017. So far in water year 2027 (since October 1) the highest reading is 6.07 ft on October 2, 2026.

3 13 22 32 41 1995 2000 2005 2010 2015 2020 2025 Water year 1993: 19.22 ft on March 1, 1993 (different datum or site: not compared) Water year 1994: 14.94 ft on November 16, 1993 (different datum or site: not compared) Water year 1995: 21.60 ft on October 17, 1994 (different datum or site: not compared) Water year 1996: 15.29 ft on December 18, 1995 (different datum or site: not compared) Water year 1997: 21.47 ft on May 24, 1997 (different datum or site: not compared) Water year 1998: 32.75 ft on September 11, 1998 (different datum or site: not compared) Water year 1999: 19.49 ft on November 13, 1998 (different datum or site: not compared) Water year 2000: 12.12 ft on May 20, 2000 (different datum or site: not compared) Water year 2001: 38.59 ft on June 9, 2001 (different datum or site: not compared) Water year 2002: 18.30 ft on December 12, 2001 (different datum or site: not compared) Water year 2003: 23.98 ft on October 29, 2002 (different datum or site: not compared) Water year 2004: 26.14 ft on November 17, 2003 (different datum or site: not compared) Water year 2005: 15.89 ft on November 22, 2004 (different datum or site: not compared) Water year 2006: 22.53 ft on June 19, 2006 (different datum or site: not compared) Water year 2007: 24.11 ft on October 16, 2006 (different datum or site: not compared) Water year 2008: 30.29 ft on September 13, 2008 (different datum or site: not compared) Water year 2009: 22.30 ft on April 28, 2009 (different datum or site: not compared) Water year 2010: 20.06 ft on July 2, 2010 Water year 2011: 12.24 ft on December 29, 2010 Water year 2012: 15.14 ft on January 9, 2012 Water year 2013: 17.26 ft on September 21, 2013 Water year 2014: 14.86 ft on May 28, 2014 Water year 2015: 31.03 ft on May 26, 2015 Water year 2017: 38.09 ft on August 27, 2017 Water year 2018: 21.38 ft on July 4, 2018 Water year 2019: 28.94 ft on September 19, 2019 Water year 2020: 21.76 ft on September 22, 2020 Water year 2021: 11.88 ft on June 28, 2021 Water year 2022: 16.58 ft on January 9, 2022 Water year 2023: 13.52 ft on May 14, 2023 Water year 2024: 29.83 ft on July 8, 2024 Water year 2025: 12.19 ft on June 26, 2025 Water year 2026: 17.44 ft on June 15, 2026 Water year 2027 so far: 6.07 ft on October 2, 2026 2017 2015 2024

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. Grey hollow dots (17 years) were measured on a different datum or at a different site, or before the gauge's datum last changed, so they are shown but not compared.

In past storms

StormPeakPeak timeRiseCompared with its record
October 1–2, 20266.07 ftOct 2, 2026 at 6:00 AM CDT2.5 fthighest since water year 2026 (17.44 ft on June 15, 2026)

Harris County gauge nearby

Buffalo Bayou at Milam Street, 0.2 mi away, read 2.14 ft at Oct 20, 2026 at 11:13 AM CDT, 19.7 ft below its top of bank. Both gauges report water surface elevation.

Download the readings

white-oak-bayou-at-main-st-houston.csv (CSV): every reading stored for this gauge since September 11, 2026, 926 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.