gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago
Usual range
0.81 to 2.19 ft
USGS marks recent readings as provisional: they can be revised after review.
No National Weather Service alert covering St. Tammany 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
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 -0.14 ft NAVD88. It is not a water depth and not an elevation: add -0.14 ft to get the water surface elevation.
Daily highs and lows since September 11, 2026
Download the readings
lake-pontchartrain-at-mandeville.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.
