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.

View the Enhanced Operating Capability Products and Services StoryMap here

Weather Forecast Office New Orleans/Baton Rouge, LA

Lower Mississippi River Forecast Center

Flood Warning

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CST)

Datum: Not Available

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 Bogue Falaya River at Boston Street are issued routinely year-round.

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Upstream Gauge

Flood Categories (in feet)

Major Flood Stage:	17
Moderate Flood Stage:	11
Flood Stage:	6
Action Stage:	5
Low Stage (in feet):	-9999

Historic Crests
(1) 19.20 ft on 03/12/2016
(2) 17.10 ft on 01/21/1993
(3) 16.63 ft on 07/01/2003
(4) 16.50 ft on 02/22/1961
(5) 15.91 ft on 06/11/2001
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.09 ft on 07/27/2020 (P)
(2) 6.00 ft on 06/08/2020 (P)
(3) 12.51 ft on 05/15/2020 (P)
(4) 11.73 ft on 05/12/2019
(5) 6.71 ft on 05/10/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.72 ft on 12/16/2007
(2) -0.68 ft on 11/23/2005
(3) -0.61 ft on 04/14/2004
(4) -0.57 ft on 12/07/2006
(5) -0.52 ft on 04/27/2010
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
20	Flood of Record occurred on March 12, 2016. Widespread flooding will develop in downtown Covington and below the gauge. Businesses will be inaccessible along parts of U.S. Hwy. 190 and along Military Rd. The bridge at U.S. Hwy 190 will be inundated. Bogue Falaya Park and homes along the river will be flooded.
17	Water will back up on the Abita River flooding most of the area between U.S. Hwy 190 and LA Hwy 36. The river will be at the undercarriage of the East Boston Street bridge.
15	Water on East Boston Street and on LA Hwy 21 east of the river will make driving hazardous. Low-lying areas near the Bogue Falaya and Abita Rivers will flood.
13.5	Homes along River Bend Road will flood. Water will be in the ground floor classrooms of Christ Episcopal School.
12	River Bend Road will be under water threatening adjacent homes. Bogue Falaya River Park and Christ Episcopal School grounds will remain flooded.
11	There will be major flooding around Christ Episcopal School and Bogue Falaya River Park.
9	Bogue Falaya River Park will be inundated. Some ground floor classrooms at Christ Episcopal School grounds will flood.
7	Water will rise onto the west bank flooding property of the Bogue Falaya Towers at East Boston Street and threatening commercial property on the east bank near Military Road. Bogue Falaya River Park and Christ Episcopal School grounds will begin to flood.
6	The river will leave its banks under the Boston Street Bridge and begin to flood the Bogue Falaya Towers property.

About This Location

Latitude: 30.476389° N, Longitude: 90.089444° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	6 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 ft	6 ft	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 Boston Street

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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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