National Weather Service Advanced Hydrologic Prediction Service

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
User Guide
User Brochure

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

This probabilistic forecast is issued by the Lower Mississippi River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Biloxi River near Lyman are issued routinely year-round.

Return to Area Map

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	18
Moderate Flood Stage:	16
Flood Stage:	12
Action Stage:	10
Low Stage (in feet):	-9999

Historic Crests
(1) 20.95 ft on 05/10/1995
(2) 19.23 ft on 08/30/2012
(3) 18.50 ft on 09/01/1957
(4) 18.24 ft on 09/29/1998
(5) 17.45 ft on 04/28/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.13 ft on 08/25/2022
(2) 14.29 ft on 02/05/2022
(3) 14.29 ft on 09/16/2021
(4) 17.28 ft on 08/31/2021
(5) 12.11 ft on 07/12/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.68 ft on 10/30/2018
(2) 1.00 ft on 08/30/2000
(3) 1.57 ft on 01/18/2019

	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
20.95	Flood of Record occurred on May 10, 1995. Major flooding will occur along the river. Several bridges and roads may be washed out. Evacuation of Biloxi River Estates, Retreat Village, Oakridge Manor, Rolling Acres, and Riverland Village is strongly recommended. Sections of MS Highway 605 will be impassable.
17	There will be major flooding on Loraine Road near the Lorraine Road bridge. Major roads will be closed including Lamey Bridge Road and Old Highway 49 at the Little Biloxi River. Major flooding will occur in Retreat and Riverland Village Subdivisions.
16	Major flooding will occur in Retreat and Riverland Village Subdivisions at the 16 foot stage. Homes on lower Fisherman Trail will remain flooded and lower River Road will be impassable.
14	At 14 feet homes on lower Fisherman Trail will begin to flood and lower River Road will be impassable. Driving on Loraine Road will be hazardous due to the high water.
13	Loraine Road will begin to flood at 13 feet making driving hazardous. River Road near Three Rivers Road bridge will begin to flood.
12	River Road near Three Rivers Road bridge will begin to flood.
9	The river will be bankfull at the Three Rivers Road bridge.

Other Real-time and/or Archive Data Sources:

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

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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM

Disclaimer
Credits
Glossary