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Hydrograph River at a Glance Download
Barataria Bay and Waterway near Bayou Perot at Point Legard Stage (ft)USGS--Water Resources of the United StatesBPPL1(plotting HGIRG) Graph Created (8:39AM Dec 1, 2021)
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: Not Available
NOTE: Graphical forecasts are not available for the Barataria Bay and Waterway near Bayou Perot at Point Legard. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Not Available

Historic Crests
(1) 8.88 ft on 08/29/2012
(2) 5.41 ft on 09/03/2011
(3) 5.04 ft on 10/26/2015
(4) 4.19 ft on 07/07/2010
(5) 3.99 ft on 03/29/2014
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(P): Preliminary values subject to further review.

Recent Crests
(1) 5.04 ft on 10/26/2015
(2) 3.48 ft on 06/15/2015
(3) 3.99 ft on 03/29/2014
(4) 3.52 ft on 05/30/2013
(5) 8.88 ft on 08/29/2012
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(P): Preliminary values subject to further review.

Low Water Records
(1) -0.04 ft on 02/05/2011
(2) 0.35 ft on 01/10/2010
(3) 0.53 ft on 03/06/3015
(4) 0.62 ft on 01/18/2013
(5) 0.64 ft on 02/12/2012
Show More Low Water Records
Zoom Level:15
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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Latitude: 29.565556° N, Longitude: 90.165556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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Page last modified: 2-Nov-2020 7:29 PM
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