Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Lower Mississippi River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Pascagoula River at Merrill are issued routinely year-round.
Return to Area Map

Downstream Gauge Downstream Gauge - at Graham Ferry
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 25
Flood Stage: 22
Action Stage: 12.5
Low Stage (in feet): -9999

Historic Crests
(1) 32.50 ft on 04/01/1900
(2) 31.00 ft on 07/09/1916
(3) 30.66 ft on 02/27/1961
(4) 30.20 ft on 04/22/1912
(5) 29.71 ft on 04/13/1938
(6) 29.50 ft on 12/15/1919
(7) 29.10 ft on 06/04/1909
(8) 28.60 ft on 06/08/1928
(9) 28.37 ft on 04/19/1974
(10) 28.02 ft on 03/16/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.46 ft on 08/30/2022
(2) 22.45 ft on 04/22/2022
(3) 22.27 ft on 09/04/2021
(4) 22.45 ft on 04/28/2021
(5) 23.29 ft on 04/17/2021
(6) 23.29 ft on 04/02/2021
(7) 23.58 ft on 03/25/2021
(8) 22.81 ft on 02/26/2020
(9) 23.76 ft on 02/14/2020
(10) 23.60 ft on 01/21/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.87 ft on 11/04/1990
(2) 3.08 ft on 09/30/1990
(3) 3.24 ft on 09/26/1989
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
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
32 A portion of the railroad tracks will become flooded. USGS 100 year flood.
25 Flooding of some residences will occur as the level rises above 25 feet.
24 Streets of Merrill will become flooded. At 24 feet the bridge becomes inaccessible by vehicles.
23.5 Water is under homes in Plum Bluff Estates. Streets of Merrill flood.
22 Flood Stage. Water approaches homes in west Merrill.
20 Water covers the main road at Plum Bluff in southern George County.
18.5 Water covers roads at Smith's Fish Camp in Southern George County.
18 Some roads west of the river become flooded.
15 Water is under homes in Cedar Creek Estates.
14 Roads to Cedar Creek Estates are impassable.
13 Water covers the roads in Cedar Creek Estates in northern Jackson County.

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
Mobile Weather Forecast Office
8400 Airport Blvd, Bldg 11
Mobile, AL 36608
(251) 633-6443
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities