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Hydrograph River at a Glance Download
Pascagoula River at Merrill Stage (ft)Flow (kcfs)Observed: 9.8 ft at 10:45PM May 02, 2016Observed: 9.8 ft at 11:00PM May 02, 2016Observed: 9.8 ft at 11:15PM May 02, 2016Observed: 9.81 ft at 11:30PM May 02, 2016Observed: 9.81 ft at 11:45PM May 02, 2016Observed: 9.82 ft at 12:00AM May 03, 2016Observed: 9.81 ft at 12:15AM May 03, 2016Observed: 9.82 ft at 12:30AM May 03, 2016Observed: 9.82 ft at 12:45AM May 03, 2016Observed: 9.83 ft at 1:00AM May 03, 2016Observed: 9.83 ft at 1:15AM May 03, 2016Observed: 9.84 ft at 1:30AM May 03, 2016Observed: 9.84 ft at 1:45AM May 03, 2016Observed: 9.84 ft at 2:00AM May 03, 2016Observed: 9.84 ft at 2:15AM May 03, 2016Observed: 9.85 ft at 2:30AM May 03, 2016Observed: 9.85 ft at 2:45AM May 03, 2016Observed: 9.84 ft at 3:00AM May 03, 2016Observed: 9.85 ft at 3:15AM May 03, 2016Observed: 9.85 ft at 3:30AM May 03, 2016Observed: 9.86 ft at 3:45AM May 03, 2016Observed: 9.86 ft at 4:00AM May 03, 2016Observed: 9.87 ft at 4:15AM May 03, 2016Observed: 9.87 ft at 4:30AM May 03, 2016Observed: 9.88 ft at 4:45AM May 03, 2016Observed: 9.88 ft at 5:00AM May 03, 2016Observed: 9.88 ft at 5:15AM May 03, 2016Observed: 9.88 ft at 5:30AM May 03, 2016Observed: 9.89 ft at 5:45AM May 03, 2016Observed: 9.89 ft at 6:00AM May 03, 2016Observed: 9.89 ft at 6:15AM May 03, 2016Observed: 9.9 ft at 6:30AM May 03, 2016Observed: 9.91 ft at 6:45AM May 03, 2016Observed: 9.92 ft at 7:00AM May 03, 2016Observed: 9.91 ft at 7:15AM May 03, 2016Observed: 9.92 ft at 7:30AM May 03, 2016Observed: 9.92 ft at 7:45AM May 03, 2016Observed: 9.93 ft at 8:00AM May 03, 2016Observed: 9.9 ft at 8:15AM May 03, 2016Observed: 9.94 ft at 8:30AM May 03, 2016Observed: 9.94 ft at 8:45AM May 03, 2016Observed: 9.95 ft at 9:00AM May 03, 2016Observed: 9.95 ft at 9:15AM May 03, 2016Observed: 9.95 ft at 9:30AM May 03, 2016Observed: 9.96 ft at 9:45AM May 03, 2016Observed: 9.96 ft at 10:00AM May 03, 2016Observed: 9.97 ft at 10:15AM May 03, 2016Observed: 9.97 ft at 10:30AM May 03, 2016Observed: 9.98 ft at 10:45AM May 03, 2016Observed: 9.98 ft at 11:00AM May 03, 2016Observed: 9.98 ft at 11:15AM May 03, 2016Observed: 9.98 ft at 11:30AM May 03, 2016Observed: 10 ft at 11:45AM May 03, 2016Observed: 10 ft at 12:00PM May 03, 2016Observed: 10.01 ft at 12:15PM May 03, 2016Observed: 10 ft at 12:30PM May 03, 2016Observed: 10.01 ft at 12:45PM May 03, 2016Observed: 10.02 ft at 1:00PM May 03, 2016Observed: 10.02 ft at 1:15PM May 03, 2016Observed: 10.03 ft at 1:30PM May 03, 2016Observed: 10.03 ft at 1:45PM May 03, 2016Observed: 10.04 ft at 2:00PM May 03, 2016Observed: 10.02 ft at 2:15PM May 03, 2016Observed: 10.05 ft at 2:30PM May 03, 2016Observed: 10.04 ft at 2:45PM May 03, 2016Observed: 10.04 ft at 3:00PM May 03, 2016Observed: 10.05 ft at 3:15PM May 03, 2016Observed: 10.06 ft at 3:30PM May 03, 2016Observed: 10.08 ft at 3:45PM May 03, 2016Observed: 10.08 ft at 4:00PM May 03, 2016Observed: 10.09 ft at 4:15PM May 03, 2016Observed: 10.09 ft at 4:30PM May 03, 2016Observed: 10.1 ft at 4:45PM May 03, 2016Observed: 10.11 ft at 5:00PM May 03, 2016Observed: 10.12 ft at 5:15PM May 03, 2016Observed: 10.12 ft at 5:30PM May 03, 2016Observed: 10.13 ft at 5:45PM May 03, 2016Observed: 10.14 ft at 6:00PM May 03, 2016Observed: 10.15 ft at 6:15PM May 03, 2016Observed: 10.15 ft at 6:30PM May 03, 2016Observed: 10.16 ft at 6:45PM May 03, 2016Observed: 10.17 ft at 7:00PM May 03, 2016Observed: 10.18 ft at 7:15PM May 03, 2016Observed: 10.18 ft at 7:30PM May 03, 2016Observed: 10.19 ft at 7:45PM May 03, 2016Observed: 10.19 ft at 8:00PM May 03, 2016Observed: 10.21 ft at 8:15PM May 03, 2016Observed: 10.22 ft at 8:30PM May 03, 2016Observed: 10.23 ft at 8:45PM May 03, 2016Observed: 10.24 ft at 9:00PM May 03, 2016Observed: 10.25 ft at 9:15PM May 03, 2016Observed: 10.25 ft at 9:30PM May 03, 2016Observed: 10.27 ft at 9:45PM May 03, 2016Observed: 10.27 ft at 10:00PM May 03, 2016Observed: 10.29 ft at 10:15PM May 03, 2016Observed: 10.3 ft at 10:30PM May 03, 2016Observed: 10.31 ft at 10:45PM May 03, 2016Observed: 10.32 ft at 11:00PM May 03, 2016Observed: 10.33 ft at 11:15PM May 03, 2016Observed: 10.34 ft at 11:30PM May 03, 2016Observed: 10.34 ft at 11:45PM May 03, 2016Observed: 10.36 ft at 12:00AM May 04, 2016Observed: 10.37 ft at 12:15AM May 04, 2016Observed: 10.39 ft at 12:30AM May 04, 2016Observed: 10.39 ft at 12:45AM May 04, 2016Observed: 10.41 ft at 1:00AM May 04, 2016Observed: 10.42 ft at 1:15AM May 04, 2016Observed: 10.44 ft at 1:30AM May 04, 2016Observed: 10.45 ft at 1:45AM May 04, 2016Observed: 10.46 ft at 2:00AM May 04, 2016Observed: 10.47 ft at 2:15AM May 04, 2016Observed: 10.49 ft at 2:30AM May 04, 2016Observed: 10.5 ft at 2:45AM May 04, 2016Observed: 10.51 ft at 3:00AM May 04, 2016Observed: 10.53 ft at 3:15AM May 04, 2016Observed: 10.54 ft at 3:30AM May 04, 2016Observed: 10.55 ft at 3:45AM May 04, 2016Observed: 10.56 ft at 4:00AM May 04, 2016Observed: 10.57 ft at 4:15AM May 04, 2016Observed: 10.59 ft at 4:30AM May 04, 2016Observed: 10.61 ft at 4:45AM May 04, 2016Observed: 10.61 ft at 5:00AM May 04, 2016Observed: 10.63 ft at 5:15AM May 04, 2016Observed: 10.64 ft at 5:30AM May 04, 2016Observed: 10.65 ft at 5:45AM May 04, 2016Observed: 10.67 ft at 6:00AM May 04, 2016Observed: 10.68 ft at 6:15AM May 04, 2016Observed: 10.69 ft at 6:30AM May 04, 2016Observed: 10.71 ft at 6:45AM May 04, 2016Observed: 10.72 ft at 7:00AM May 04, 2016Observed: 10.73 ft at 7:15AM May 04, 2016Observed: 10.75 ft at 7:30AM May 04, 2016Observed: 10.76 ft at 7:45AM May 04, 2016Observed: 10.77 ft at 8:00AM May 04, 2016Observed: 10.76 ft at 8:15AM May 04, 2016Observed: 10.78 ft at 8:30AM May 04, 2016Observed: 10.8 ft at 8:45AM May 04, 2016Observed: 10.82 ft at 9:00AM May 04, 2016Observed: 10.79 ft at 9:15AM May 04, 2016Observed: 10.79 ft at 9:30AM May 04, 2016Observed: 10.85 ft at 9:45AM May 04, 2016Observed: 10.84 ft at 10:00AM May 04, 2016Observed: 10.87 ft at 10:15AM May 04, 2016Observed: 10.83 ft at 10:30AM May 04, 2016Observed: 10.88 ft at 10:45AM May 04, 2016Observed: 10.91 ft at 11:00AM May 04, 2016Observed: 10.89 ft at 11:15AM May 04, 2016Observed: 10.93 ft at 11:30AM May 04, 2016Observed: 10.91 ft at 11:45AM May 04, 2016Observed: 10.96 ft at 12:00PM May 04, 2016Observed: 10.93 ft at 12:15PM May 04, 2016Observed: 10.98 ft at 12:30PM May 04, 2016Observed: 10.98 ft at 12:45PM May 04, 2016Observed: 11 ft at 1:00PM May 04, 2016Observed: 10.98 ft at 1:15PM May 04, 2016Observed: 10.96 ft at 1:30PM May 04, 2016Observed: 10.98 ft at 1:45PM May 04, 2016Observed: 11.02 ft at 2:00PM May 04, 2016Observed: 11 ft at 2:15PM May 04, 2016Observed: 11.06 ft at 2:30PM May 04, 2016Observed: 11.09 ft at 2:45PM May 04, 2016Observed: 11.05 ft at 3:00PM May 04, 2016Observed: 11.06 ft at 3:15PM May 04, 2016Observed: 11.07 ft at 3:30PM May 04, 2016Observed: 11.1 ft at 3:45PM May 04, 2016Observed: 11.08 ft at 4:00PM May 04, 2016Observed: 11.1 ft at 4:15PM May 04, 2016Observed: 11.14 ft at 4:30PM May 04, 2016Observed: 11.16 ft at 4:45PM May 04, 2016Observed: 11.15 ft at 5:00PM May 04, 2016Observed: 11.16 ft at 5:15PM May 04, 2016Observed: 11.19 ft at 5:30PM May 04, 2016Observed: 11.16 ft at 5:45PM May 04, 2016Observed: 11.18 ft at 6:00PM May 04, 2016Observed: 11.21 ft at 6:15PM May 04, 2016Observed: 11.23 ft at 6:30PM May 04, 2016Observed: 11.24 ft at 6:45PM May 04, 2016Observed: 11.26 ft at 7:00PM May 04, 2016Observed: 11.27 ft at 7:15PM May 04, 2016Observed: 11.27 ft at 7:30PM May 04, 2016Observed: 11.29 ft at 7:45PM May 04, 2016Observed: 11.29 ft at 8:00PM May 04, 2016Observed: 11.3 ft at 8:15PM May 04, 2016Observed: 11.32 ft at 8:30PM May 04, 2016Observed: 11.32 ft at 8:45PM May 04, 2016Observed: 11.34 ft at 9:00PM May 04, 2016Observed: 11.35 ft at 9:15PM May 04, 2016Observed: 11.35 ft at 9:30PM May 04, 2016Observed: 11.36 ft at 9:45PM May 04, 2016Observed: 11.37 ft at 10:00PM May 04, 2016Observed: 11.38 ft at 10:15PM May 04, 2016Observed: 11.39 ft at 10:30PM May 04, 2016Observed: 11.4 ft at 10:45PM May 04, 2016Observed: 11.41 ft at 11:00PM May 04, 2016Observed: 11.41 ft at 11:15PM May 04, 2016Observed: 11.42 ft at 11:30PM May 04, 2016Observed: 11.43 ft at 11:45PM May 04, 2016Observed: 11.44 ft at 12:00AM May 05, 2016Observed: 11.45 ft at 12:15AM May 05, 2016Observed: 11.46 ft at 12:30AM May 05, 2016Observed: 11.46 ft at 12:45AM May 05, 2016Observed: 11.47 ft at 1:00AM May 05, 2016Observed: 11.47 ft at 1:15AM May 05, 2016Observed: 11.49 ft at 1:30AM May 05, 2016Observed: 11.49 ft at 1:45AM May 05, 2016Observed: 11.5 ft at 2:00AM May 05, 2016Observed: 11.51 ft at 2:15AM May 05, 2016Observed: 11.51 ft at 2:30AM May 05, 2016Observed: 11.52 ft at 2:45AM May 05, 2016Observed: 11.53 ft at 3:00AM May 05, 2016Observed: 11.54 ft at 3:15AM May 05, 2016Observed: 11.54 ft at 3:30AM May 05, 2016Observed: 11.55 ft at 3:45AM May 05, 2016Observed: 11.56 ft at 4:00AM May 05, 2016Observed: 11.57 ft at 4:15AM May 05, 2016Observed: 11.57 ft at 4:30AM May 05, 2016Observed: 11.58 ft at 4:45AM May 05, 2016Observed: 11.58 ft at 5:00AM May 05, 2016Observed: 11.59 ft at 5:15AM May 05, 2016Observed: 11.6 ft at 5:30AM May 05, 2016Observed: 11.61 ft at 5:45AM May 05, 2016Observed: 11.61 ft at 6:00AM May 05, 2016Observed: 11.62 ft at 6:15AM May 05, 2016Observed: 11.62 ft at 6:30AM May 05, 2016Observed: 11.63 ft at 6:45AM May 05, 2016Observed: 11.63 ft at 7:00AM May 05, 2016Observed: 11.64 ft at 7:15AM May 05, 2016Observed: 11.64 ft at 7:30AM May 05, 2016Observed: 11.65 ft at 7:45AM May 05, 2016Observed: 11.65 ft at 8:00AM May 05, 2016Observed: 11.65 ft at 8:15AM May 05, 2016Observed: 11.65 ft at 8:30AM May 05, 2016Observed: 11.66 ft at 8:45AM May 05, 2016Observed: 11.66 ft at 9:00AM May 05, 2016Observed: 11.67 ft at 9:15AM May 05, 2016Observed: 11.67 ft at 9:30AM May 05, 2016Observed: 11.67 ft at 9:45AM May 05, 2016Observed: 11.64 ft at 10:00AM May 05, 2016Observed: 11.67 ft at 10:15AM May 05, 2016Observed: 11.68 ft at 10:30AM May 05, 2016Observed: 11.68 ft at 10:45AM May 05, 2016Observed: 11.68 ft at 11:00AM May 05, 2016Observed: 11.69 ft at 11:15AM May 05, 2016Observed: 11.68 ft at 11:30AM May 05, 2016Observed: 11.69 ft at 11:45AM May 05, 2016Observed: 11.65 ft at 12:00PM May 05, 2016Observed: 11.66 ft at 12:15PM May 05, 2016Observed: 11.67 ft at 12:30PM May 05, 2016Observed: 11.67 ft at 12:45PM May 05, 2016Observed: 11.68 ft at 1:00PM May 05, 2016Observed: 11.65 ft at 1:15PM May 05, 2016Observed: 11.64 ft at 1:30PM May 05, 2016Observed: 11.65 ft at 1:45PM May 05, 2016Observed: 11.69 ft at 2:00PM May 05, 2016Observed: 11.65 ft at 2:15PM May 05, 2016Observed: 11.65 ft at 2:30PM May 05, 2016Observed: 11.66 ft at 2:45PM May 05, 2016Observed: 11.66 ft at 3:00PM May 05, 2016Observed: 11.66 ft at 3:15PM May 05, 2016Observed: 11.66 ft at 3:30PM May 05, 2016Observed: 11.64 ft at 3:45PM May 05, 2016Highest Observation: 11.7 ft at 4:00PM May 05, 2016Observed: 11.68 ft at 4:15PM May 05, 2016Highest Observation: 11.7 ft at 4:30PM May 05, 2016Observed: 11.69 ft at 4:45PM May 05, 2016Observed: 11.66 ft at 5:00PM May 05, 2016Observed: 11.68 ft at 5:15PM May 05, 2016Observed: 11.68 ft at 5:30PM May 05, 2016Observed: 11.64 ft at 5:45PM May 05, 2016Highest Observation: 11.7 ft at 6:00PM May 05, 2016Observed: 11.66 ft at 6:15PM May 05, 2016Highest Observation: 11.7 ft at 6:30PM May 05, 2016Observed: 11.68 ft at 6:45PM May 05, 2016Observed: 11.69 ft at 7:00PM May 05, 2016Observed: 11.69 ft at 7:15PM May 05, 2016Observed: 11.69 ft at 7:30PM May 05, 2016Observed: 11.68 ft at 7:45PM May 05, 2016Observed: 11.69 ft at 8:00PM May 05, 2016Observed: 11.68 ft at 8:15PM May 05, 2016Observed: 11.67 ft at 8:30PM May 05, 2016Observed: 11.67 ft at 8:45PM May 05, 2016Observed: 11.67 ft at 9:00PM May 05, 2016Observed: 11.67 ft at 9:15PM May 05, 2016Observed: 11.66 ft at 9:30PM May 05, 2016Observed: 11.66 ft at 9:45PM May 05, 2016Observed: 11.66 ft at 10:00PM May 05, 2016Observed: 11.66 ft at 10:15PM May 05, 2016Highest Forecast: 12 ft 1:00AM May 06, 2016Highest Forecast: 12 ft 7:00AM May 06, 2016Highest Forecast: 12 ft 1:00PM May 06, 2016Forecast: 11.9 ft 7:00PM May 06, 2016Forecast: 11.7 ft 1:00AM May 07, 2016Forecast: 11.5 ft 7:00AM May 07, 2016Forecast: 11.2 ft 1:00PM May 07, 2016Forecast: 11 ft 7:00PM May 07, 2016Forecast: 10.8 ft 1:00AM May 08, 2016Forecast: 10.6 ft 7:00AM May 08, 2016Forecast: 10.4 ft 1:00PM May 08, 2016Forecast: 10.2 ft 7:00PM May 08, 2016Forecast: 10 ft 1:00AM May 09, 2016Forecast: 9.8 ft 7:00AM May 09, 2016Forecast: 9.6 ft 1:00PM May 09, 2016Forecast: 9.4 ft 7:00PM May 09, 2016Forecast: 9.3 ft 1:00AM May 10, 2016Forecast: 9.1 ft 7:00AM May 10, 2016MRRM6(plotting HGIR2) Graph Created (10:30PM May 5, 2016)ObservedForecast (issued 9:21AM May 5)Latest observed value: 11.66 ft at 10:15 PM CDT 5-May-2016. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Pascagoula River at Merrill are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Graham Ferry
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 25
Flood Stage: 22
Action Stage: 12.5
Low Stage (in feet): 0

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) 27.83 ft on 03/16/2016 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 27.83 ft on 03/16/2016 (P)
(2) 22.49 ft on 02/28/2016 (P)
(3) 24.33 ft on 04/15/2014
(4) 26.00 ft on 02/15/2013
(5) 24.69 ft on 09/03/2012
(6) 24.69 ft on 09/03/2012
(7) 24.88 ft on 03/15/2011
(8) 25.06 ft on 12/20/2009
(9) 24.92 ft on 12/19/2009
(10) 22.09 ft on 05/06/2009
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

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

Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
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 Collapse
If you notice any errors in the below information, please contact our Webmaster
32 A portion of the railroad tracks will become flooded as the level rises to 32 feet and higher.
26 Flooding of residences will subside as the level drops below 25 feet.
25 Flooding of some residences will occur as the level rises above 25 feet.
24 Streets and portions of the old business section of Merrill will become flooded. At 24 feet the bridge becomes inacessible by vehicles.
24 Flooding of streets and the old business section of Merrill will subside as the river level drops below 23 feet.
23.5 Water is under homes in Plum Bluff Estates
20 Water covers the main road at Plum Bluff in southern George County.
19 Some flooding of lowlands in the area will continue until the river level drops below 18 feet.
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.
About This Location Collapse

Latitude: 30.978056° N, Longitude: 88.726944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 26.25 ft 48.25 ft 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:

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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
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Page last modified: 13-Aug-2015 1:56 AM
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