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About this graph
Forecasts for the Amite River Basin at Bayou Manchac near Little Prairie are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Upstream Gauge - at Bayou Manchac Point Upstream Gauge Downstream Gauge Downstream Gauge - at Port Vincent
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 21.49 ft on 08/15/2016
(2) 16.92 ft on 06/10/2001
(3) 16.83 ft on 01/28/1990
(4) 16.38 ft on 01/23/1993
(5) 14.78 ft on 03/14/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.51 ft on 05/23/2021
(2) 12.10 ft on 04/08/2021
(3) 11.70 ft on 05/13/2019
(4) 8.91 ft on 01/30/2018
(5) 8.23 ft on 01/23/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.41 ft on 05/20/1993
(2) 0.95 ft on 12/18/1998
(3) 1.50 ft on 10/09/2000
(4) 1.66 ft on 03/01/2011
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
18.5 Widespread flooding will occur with hundreds of homes impacted. Evacuations will be necessary. Water will inundate most neighborhood streets and portions of LA Highway 42 will be impassable. Water will also rise on Muddy Creek and Roddy Bayou, along with other local waterways.
18.3 Flood of Record measured 18.33 feet and occurred on August 14, 2016.
17 Major flooding will occur for many homes and roads near Bayou Manch. Water will spread over neighborhoods around Muddy Creek, with some sections of LA Highway 42 impacted.
15 Muddy Creek Road will become impassible with water over the bridge at Muddy Creek. There will be major flooding of homes along both Oak Harbor and Muddy Creek Roads.
14 Oak Harbor Road will become impassible. There will be major flooding of homes along Oak Harbor Road. Muddy Creek Road will flood.
12 Water will cover Oak Harbor Road. Moderate flooding of some homes along Oak Harbor Road can be expected. Muddy Creek will back up and flood property along Muddy Creek Road.
10 Flooding will begin on property along Oak Harbor Road. Some homes will sustain minor flood damage.

Other Real-time and/or Archive Data Sources:
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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