National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

Weather Forecast Office New Orleans/Baton Rouge, LA

Lower Mississippi River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: Not Available

Metadata

NOTE: Gauge reading affected by tides.

NOTE: Forecasts for the Amite River at French Settlement are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Flood Categories (in feet)

Major Flood Stage:	8
Moderate Flood Stage:	6
Flood Stage:	4
Action Stage:	3
Low Stage (in feet):	-9999

Historic Crests
(1) 9.21 ft on 08/16/2016
(2) 7.40 ft on 04/25/1977
(3) 7.01 ft on 04/25/1979
(4) 6.89 ft on 06/11/2001
(5) 6.87 ft on 08/30/2012
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.45 ft on 09/24/2020 (P)
(2) 4.21 ft on 05/14/2019
(3) 3.88 ft on 10/10/2018
(4) 4.13 ft on 06/22/2017
(5) 9.21 ft on 08/16/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -1.50 ft on 12/19/1954
(2) -1.46 ft on 12/13/2010
(3) -1.20 ft on 03/02/2009
(4) -0.94 ft on 01/15/2006
(5) -0.91 ft on 02/19/2007
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:16

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
9.21	Flood of Record occurred on August 16, 2016. At this level, widespread flooding will inundate all major roads, including sections of LA Highways 16 and 22. Evaucations will be necessary. Water will back up on Bell Bayou, King George Bayou, and Old River.
7	Evacuations will be necssary for low-lying areas. Many roads will be inundated over the region, including sections of LA Highways 16 and 22. Some evcacuations may be necessary.
6	Louisiana Highway 16 at Port Vincent will be closed due to high water. Louisiana Trace will be impassable. Persistant east to southeast wind and high tides on Lake Maurepas will maintain high river stages.
5	Louisiana Trace will be impassable. Highwater Road at Louisiana Highway 16 may be impassable. Persistant east to southeast wind and high tides on Lake Maurepas will maintain high river stages.
4.5	Backwater flooding will isolate fishing camps. Low-lying roads in the Maurepas area will be impassable. Louisiana Trace will be impassable.
4	Water will be standing on roads near the river. Low-lying roads near Lake Maurepas will also begin to flood. Louisiana Trace will have standing water in some places.

About This Location

Latitude: 30.275278° N, Longitude: 90.781944° W, Horizontal Datum: Unknown

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	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:

U.S. Geological Survey (USGS) Data and Site Info for French Settlement

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Hydrologic Resources

Additional Resources

Collaborative Agencies

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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