Gulf Coast Gauges

Caillou Bay southwest of Cocodrie water level

USGS gauge 073813498 · Terrebonne Parish · Houma–Thibodaux · NWS gauge CCOL1

1.97 ft

gage height, Oct 23, 2026 at 2:15 PM CDT · 4 hours ago

Highest since 1999 (USGS)
9.94 ft (October 3, 2002)
Usual range
0.95 to 2.51 ft

USGS marks recent readings as provisional: they can be revised after review.

No National Weather Service alert covering Terrebonne Parish was active when this page was generated (Oct 23, 2026 at 5:50 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

0.2 1.4 2.5 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 Oct 23

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 this gauge's own zero point, which sits at -0.41 ft NAVD88. It is not a water depth and not an elevation: add -0.41 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

0.1 1.7 3.4 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 1999

In 28 complete water years of comparable USGS records (since 1999), the highest peak was 9.94 ft on October 3, 2002. So far in water year 2027 (since October 1) the highest reading is 3.35 ft on October 3, 2026, higher than the annual peak in 8 of 28 years.

2 4 6 8 11 2000 2005 2010 2015 2020 2025 Water year 1999: 2.78 ft on September 21, 1999 Water year 2000: 3.09 ft on September 9, 2000 Water year 2001: 3.30 ft on March 29, 2001 Water year 2002: 2.84 ft on September 14, 2002 Water year 2003: 9.94 ft on October 3, 2002 Water year 2004: 3.52 ft on October 1, 2003 Water year 2005: 3.67 ft on October 10, 2004 Water year 2006: 2.60 ft on April 29, 2006 Water year 2007: 3.52 ft on November 6, 2006 Water year 2008: 3.10 ft on October 5, 2007 Water year 2009: 3.54 ft on September 14, 2009 Water year 2010: 3.71 ft on December 1, 2009 Water year 2011: 4.18 ft on September 4, 2011 Water year 2012: 3.42 ft on August 29, 2012 Water year 2013: 4.23 ft on April 3, 2013 Water year 2014: 3.01 ft on November 5, 2013 Water year 2015: 3.34 ft on November 23, 2014 Water year 2016: 4.09 ft on December 13, 2015 Water year 2017: 5.02 ft on April 30, 2017 Water year 2018: 4.28 ft on October 22, 2017 Water year 2019: 6.96 ft on July 13, 2019 Water year 2020: 5.66 ft on October 26, 2019 Water year 2021: 5.61 ft on October 28, 2020 Water year 2022: 3.60 ft on December 19, 2021 Water year 2023: 5.08 ft on November 14, 2022 Water year 2024: 5.84 ft on September 11, 2024 Water year 2025: 3.98 ft on November 10, 2024 Water year 2026: 3.94 ft on July 23, 2026 Water year 2027 so far: 3.35 ft on October 3, 2026 2003 2019 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.

NWS historic crests

DateCrestAbove minor flood stage
October 3, 20029.94 ft—
April 30, 20174.79 ft—
April 3, 20134.23 ft—
September 4, 20114.18 ft—
December 13, 20154.09 ft—
April 27, 20163.77 ft—
December 1, 20093.71 ft—
October 10, 20043.67 ft—

The highest crests the National Weather Service lists for this gauge, as published. They can differ from the USGS annual peaks above: USGS records the year's highest gage height, which is not always the crest the NWS lists for the same flood.

Download the readings

caillou-bay-southwest-of-cocodrie.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,037 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.