gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago
Highest since 2009 (USGS)
18.54 ft (November 10, 2009)
Usual range
8.10 to 10.04 ft
USGS marks recent readings as provisional: they can be revised after review.
No National Weather Service alert covering Plaquemines 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 -6.58 ft NAVD88. It is not a water depth and not an elevation: add -6.58 ft to get the water surface elevation.
Daily highs and lows since September 11, 2026
Annual peaks since 2009
In 18 complete water years of comparable USGS records (since 2009), the highest peak was 18.54 ft on November 10, 2009. So far in water year 2027 (since October 1) the highest reading is 12.58 ft on October 9, 2026.
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
mississippi-river-at-belle-chasse.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,021 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.
