Gulf Coast Gauges

Calcasieu River at Highway 171 at Moss Bluff water level

USGS gauge 08015910 · Calcasieu Parish · Lake Charles and Southwest Louisiana

25.57 ft

gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago

Usual range
25.49 to 26.51 ft

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

No National Weather Service alert covering Calcasieu 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

24.8 25.6 26.5 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 24.71 ft NAVD88. It is not a water depth and not an elevation: add 24.71 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

24.8 25.8 26.9 2026-09-11 – 2026-10-23 · bars are daily low to high

Download the readings

calcasieu-river-at-highway-171-at-moss-bluff.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,047 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.