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: NAVD88

Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Pearl River near Bogalusa are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	23
Moderate Flood Stage:	21
Flood Stage:	18
Action Stage:	16
Low Stage (in feet):	-9999

Historic Crests
(1) 23.23 ft on 04/24/1979
(2) 22.78 ft on 04/08/1983
(3) 22.75 ft on 03/13/2016
(4) 22.60 ft on 02/25/2020 (P)
(5) 22.42 ft on 03/31/1980
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.04 ft on 05/01/2020 (P)
(2) 22.60 ft on 02/25/2020 (P)
(3) 21.55 ft on 01/23/2020 (P)
(4) 21.08 ft on 04/22/2019
(5) 21.23 ft on 12/30/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.80 ft on 10/31/1963
(2) 5.11 ft on 09/27/1963
(3) 5.36 ft on 09/15/1954
(4) 5.50 ft on 10/29/1943
(5) 5.63 ft on 09/19/1972
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
23.23	Flood of Record occurred on April 24, 1979. Sections of LA Highways 10 and 21 will be inundated. Water will back up along Coburn Creek and Bogalusa Creek.
23	Flood of Record occurred on April 24, 1979. Property east of Louisiana Highway 21 along Bogalusa Creek will flood. Bogalusa Creek will back up threatening the Sewage Treatment Plant. Homes south of Bogalusa Creek and east of Highway 21 will flood. The city water treatment plant and property near City Hall will be threatened by flooding.
22	Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads. At 21 feet, property east of Highway 21 along Bogalusa Creek will begin to flood. Bogalusa Creek will back up threatening the Sewage Treatment Plant. Homes south of Bogalusa Creek and east of Highway 21 will flood.
21	Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads. At 21 feet, property east of Louisiana Highway 21 along Bogalusa Creek will begin to flood.
20	Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads.
18.5	Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads.
17	Woodlands and crop acreage along the river will be flooded.
16	Woodlands along the river and wildlife management property will be flooded.

About This Location

Latitude: 30.793056° N, Longitude: 89.820833° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	18 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	54.64	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	55 ft	73 ft

Current/Historical Observations:

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

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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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