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Hydrograph River at a Glance Download
Bayou Bonfouca at Slidell Stage (ft)Observed: 0.57 ft at 11:57AM Apr 13, 2024Observed: 0.58 ft at 12:57PM Apr 13, 2024Observed: 0.6 ft at 1:57PM Apr 13, 2024Observed: 0.64 ft at 2:57PM Apr 13, 2024Observed: 0.75 ft at 3:57PM Apr 13, 2024Observed: 0.83 ft at 4:57PM Apr 13, 2024Observed: 0.85 ft at 5:57PM Apr 13, 2024Observed: 0.86 ft at 12:57AM Apr 14, 2024Observed: 0.87 ft at 1:57AM Apr 14, 2024Observed: 0.82 ft at 2:57AM Apr 14, 2024Observed: 0.72 ft at 3:57AM Apr 14, 2024Observed: 0.61 ft at 4:57AM Apr 14, 2024Observed: 0.55 ft at 5:57AM Apr 14, 2024Observed: 0.51 ft at 6:57AM Apr 14, 2024Observed: 0.46 ft at 7:57AM Apr 14, 2024Observed: 0.39 ft at 8:57AM Apr 14, 2024Observed: 0.35 ft at 9:57AM Apr 14, 2024Observed: 0.34 ft at 10:57AM Apr 14, 2024Observed: 0.35 ft at 11:57AM Apr 14, 2024Observed: 0.38 ft at 12:57PM Apr 14, 2024Observed: 0.42 ft at 1:57PM Apr 14, 2024Observed: 0.51 ft at 2:57PM Apr 14, 2024Observed: 0.59 ft at 3:57PM Apr 14, 2024Observed: 0.64 ft at 4:57PM Apr 14, 2024Observed: 0.66 ft at 5:57PM Apr 14, 2024Observed: 0.78 ft at 12:57AM Apr 15, 2024Observed: 0.72 ft at 1:57AM Apr 15, 2024Observed: 0.71 ft at 2:57AM Apr 15, 2024Observed: 0.71 ft at 3:57AM Apr 15, 2024Observed: 0.65 ft at 4:57AM Apr 15, 2024Observed: 0.57 ft at 5:57AM Apr 15, 2024Observed: 0.53 ft at 6:57AM Apr 15, 2024Observed: 0.49 ft at 7:57AM Apr 15, 2024Observed: 0.44 ft at 8:57AM Apr 15, 2024Observed: 0.39 ft at 9:57AM Apr 15, 2024Observed: 0.37 ft at 10:57AM Apr 15, 2024Observed: 0.41 ft at 11:57AM Apr 15, 2024Observed: 0.43 ft at 12:57PM Apr 15, 2024Observed: 0.42 ft at 1:57PM Apr 15, 2024Observed: 0.49 ft at 2:57PM Apr 15, 2024Observed: 0.59 ft at 3:57PM Apr 15, 2024Observed: 0.63 ft at 4:57PM Apr 15, 2024Observed: 0.99 ft at 12:57AM Apr 16, 2024Observed: 1.02 ft at 1:57AM Apr 16, 2024Observed: 1.07 ft at 2:57AM Apr 16, 2024Observed: 1.06 ft at 3:57AM Apr 16, 2024Observed: 0.96 ft at 4:57AM Apr 16, 2024Observed: 0.85 ft at 5:57AM Apr 16, 2024Observed: 0.79 ft at 6:57AM Apr 16, 2024Observed: 0.72 ft at 7:57AM Apr 16, 2024Observed: 0.72 ft at 8:57AM Apr 16, 2024Observed: 0.78 ft at 9:57AM Apr 16, 2024Observed: 0.8 ft at 10:57AM Apr 16, 2024Observed: 0.75 ft at 11:57AM Apr 16, 2024Observed: 0.73 ft at 12:57PM Apr 16, 2024Observed: 0.79 ft at 1:57PM Apr 16, 2024Observed: 0.9 ft at 2:57PM Apr 16, 2024Observed: 0.99 ft at 3:57PM Apr 16, 2024Observed: 1.03 ft at 4:57PM Apr 16, 2024Observed: 1.03 ft at 5:57PM Apr 16, 2024Observed: 1.33 ft at 12:57AM Apr 17, 2024Observed: 1.35 ft at 1:57AM Apr 17, 2024Observed: 1.35 ft at 2:57AM Apr 17, 2024Observed: 1.38 ft at 3:57AM Apr 17, 2024Observed: 1.33 ft at 4:57AM Apr 17, 2024Observed: 1.24 ft at 5:57AM Apr 17, 2024Observed: 1.15 ft at 7:57AM Apr 17, 2024Observed: 1.11 ft at 8:57AM Apr 17, 2024Observed: 1.06 ft at 9:57AM Apr 17, 2024Observed: 0.99 ft at 10:57AM Apr 17, 2024Observed: 0.99 ft at 11:57AM Apr 17, 2024Observed: 1 ft at 12:57PM Apr 17, 2024Observed: 1.04 ft at 1:57PM Apr 17, 2024Observed: 1.08 ft at 2:57PM Apr 17, 2024Observed: 1.09 ft at 3:57PM Apr 17, 2024Observed: 1.11 ft at 4:57PM Apr 17, 2024Observed: 1.19 ft at 5:57PM Apr 17, 2024Observed: 1.42 ft at 12:57AM Apr 18, 2024Observed: 1.39 ft at 1:57AM Apr 18, 2024Highest Observation: 1.44 ft at 2:57AM Apr 18, 2024Highest Observation: 1.44 ft at 3:57AM Apr 18, 2024Observed: 1.37 ft at 4:57AM Apr 18, 2024Observed: 1.3 ft at 5:57AM Apr 18, 2024Observed: 1.21 ft at 6:57AM Apr 18, 2024Observed: 1.21 ft at 7:57AM Apr 18, 2024Observed: 1.25 ft at 8:57AM Apr 18, 2024Observed: 1.15 ft at 9:57AM Apr 18, 2024St. Tammany Parish, LABBSL1(plotting HGIRZ) Graph Created (11:40AM Apr 18, 2024)ObservedLatest observed value: 1.15 ft at 9:57 AM CDT 18-Apr-2024. Flood Stage is 4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Bayou Bonfouca at Slidell. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 8
Flood Stage: 4
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
14 FLOODING WILL REACH GAUSE BLVD AT FRONT STREET. MOST OF SLIDELL SOUTH OF GAUSE BLVD AND AROUND BAYOU LIBERTY WILL BE INUNDATED.
11 FLOODING WILL SPREAD TO WEST GAUSE BLVD. MOST OF OLDE TOWNE SLIDELL WILL BE FLOODED.
8 FLOODING BEGINS AROUND RAILROAD TRACKS PROTECTING OLDE TOWNE SLIDELL.
5 FLOODING BEGINS ON HALL ROAD AND WITHIN HERITAGE PARK.
3 ACTION STAGE. PARTS OF PALM LAKE SUBDIVISION BEGIN TO FLOOD AND BAYOU LIBERTY ROAD IS THREATHENED AT CARROLL ROAD.
About This Location Collapse

Latitude: 30.271389° N, Longitude: 89.793611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 -0.44 3.56 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  
Additional Information Collapse
This gage is owned and maintained by St. Tammany Parish.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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