Gulf Coast Gauges

GIWW at Bayou Sale Ridge near Franklin water level

USGS gauge 07381670 · St. Mary Parish · Lafayette and Acadiana

2.78 ft

gage height, Oct 23, 2026 at 2:15 PM CDT · 3 hours ago

Highest since 2000 (USGS)
8.41 ft (July 13, 2019)
Usual range
1.83 to 3.30 ft

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

No National Weather Service alert covering St. Mary Parish was active when this page was generated (Oct 23, 2026 at 5:05 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

0.5 1.9 3.3 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 -1.21 ft NAVD88. It is not a water depth and not an elevation: add -1.21 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

0.2 2.1 3.9 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 2000

In 27 complete water years of comparable USGS records (since 2000), the highest peak was 8.41 ft on July 13, 2019. So far in water year 2027 (since October 1) the highest reading is 3.93 ft on October 2, 2026, higher than the annual peak in 3 of 27 years.

3 4 6 7 9 2000 2005 2010 2015 2020 2025 Water year 2000: 3.40 ft on April 23, 2000 Water year 2001: 4.28 ft on June 6, 2001 Water year 2002: 4.06 ft on October 13, 2001 Water year 2003: 6.88 ft on October 3, 2002 Water year 2004: 3.65 ft on June 24, 2004 Water year 2005: 7.91 ft on September 24, 2005 Water year 2006: 3.68 ft on March 9, 2006 Water year 2007: 4.31 ft on October 17, 2006 Water year 2008: 7.97 ft on September 12, 2008 Water year 2009: 4.22 ft on May 25, 2009 Water year 2010: 4.19 ft on July 7, 2010 Water year 2011: 5.52 ft on May 30, 2011 Water year 2012: 4.49 ft on March 21, 2012 Water year 2013: 4.01 ft on July 21, 2013 Water year 2014: 3.98 ft on June 10, 2014 Water year 2015: 4.18 ft on June 16, 2015 Water year 2016: 4.91 ft on October 26, 2015 Water year 2017: 5.64 ft on June 21, 2017 Water year 2018: 4.56 ft on March 29, 2018 Water year 2019: 8.41 ft on July 13, 2019 Water year 2020: 7.15 ft on August 27, 2020 Water year 2021: 6.47 ft on October 9, 2020 Water year 2022: 4.53 ft on March 22, 2022 Water year 2023: 4.52 ft on April 16, 2023 Water year 2024: 4.43 ft on June 5, 2024 Water year 2025: 4.67 ft on May 15, 2025 Water year 2026: 4.49 ft on July 23, 2026 Water year 2027 so far: 3.93 ft on October 2, 2026 2019 2008 2005

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.

Download the readings

giww-at-bayou-sale-ridge-near-franklin.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,046 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.