Gulf Coast Gauges

Bayou Lacassine near Lake Arthur water level

USGS gauge 08012470 · Jefferson Davis Parish · Lake Charles and Southwest Louisiana

10.03 ft

gage height, Oct 23, 2026 at 3:00 PM CDT · 2 hours ago

Highest since 1969 (USGS)
12.72 ft (May 19, 1980)
Usual range
10.04 to 10.29 ft

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

No National Weather Service alert covering Jefferson Davis 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

9.6 10.0 10.3 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 -10.11 ft NAVD88. It is not a water depth and not an elevation: add -10.11 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

9.6 10.0 10.4 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 1969

In 30 complete water years of comparable USGS records (since 1969), the highest peak was 12.72 ft on May 19, 1980. So far in water year 2027 (since October 1) the highest reading is 10.42 ft on October 12, 2026, higher than the annual peak in 10 of 30 years.

9 10 11 12 13 1970 1980 1990 2000 2010 2020 Water year 1969: 11.13 ft on April 13, 1969 Water year 1971: 11.90 ft on September 16, 1971 Water year 1972: 11.85 ft on December 5, 1971 Water year 1973: 11.67 ft on March 25, 1973 Water year 1974: 10.08 ft on January 29, 1974 Water year 1975: 10.18 ft on January 10, 1975 Water year 1977: 10.95 ft on April 23, 1977 Water year 1978: 10.12 ft on December 4, 1977 Water year 1979: 11.11 ft on July 28, 1979 Water year 1980: 12.72 ft on May 19, 1980 Water year 1981: 10.60 ft on June 14, 1981 Water year 1982: 9.73 ft on May 16, 1982 Water year 1983: 11.09 ft on January 1, 1983 Water year 1984: 10.27 ft on May 22, 1984 Water year 1985: 10.86 ft on October 20, 1984 Water year 1986: 11.99 ft on November 2, 1985 Water year 1987: 10.20 ft on December 24, 1986 Water year 1988: 10.05 ft on April 5, 1988 Water year 1990: 10.47 ft on February 1, 1990 Water year 1997: 11.43 ft on October 28, 1996 Water year 1998: 11.94 ft on September 15, 1998 Water year 1999: 10.11 ft on October 5, 1998 Water year 2000: 9.97 ft on May 6, 2000 Water year 2001: 10.94 ft on September 4, 2001 Water year 2002: 10.05 ft on April 11, 2002 Water year 2003: 11.70 ft on October 30, 2002 Water year 2023: 12.10 ft on February 8, 2023 Water year 2024: 12.10 ft on June 5, 2024 Water year 2025: 12.64 ft on April 5, 2025 Water year 2026: 11.87 ft on July 16, 2026 Water year 2027 so far: 10.42 ft on October 12, 2026 1980 2025

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

bayou-lacassine-near-lake-arthur.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,049 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.