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Hydrograph River at a Glance Download
Pearl River at Rockport Stage (ft)Flow (kcfs)Highest Forecast: 22.3 ft 7:00AM Mar 20, 2018Forecast: 22 ft 1:00PM Mar 20, 2018Forecast: 21.6 ft 7:00PM Mar 20, 2018Forecast: 21.1 ft 1:00AM Mar 21, 2018Forecast: 20.7 ft 7:00AM Mar 21, 2018Forecast: 20.2 ft 1:00PM Mar 21, 2018Forecast: 19.8 ft 7:00PM Mar 21, 2018Forecast: 19.5 ft 1:00AM Mar 22, 2018Forecast: 19.3 ft 7:00AM Mar 22, 2018Forecast: 19.1 ft 1:00PM Mar 22, 2018Forecast: 18.9 ft 7:00PM Mar 22, 2018Forecast: 18.8 ft 1:00AM Mar 23, 2018Forecast: 18.6 ft 7:00AM Mar 23, 2018Forecast: 18.5 ft 1:00PM Mar 23, 2018Forecast: 18.3 ft 7:00PM Mar 23, 2018Forecast: 18.1 ft 1:00AM Mar 24, 2018Forecast: 17.9 ft 7:00AM Mar 24, 2018NWS Volunteer ObserversROCM6(plotting HGIRZ) Graph Created (2:21AM Mar 20, 2018)ObservedForecast (issued 8:09AM Mar 19)Latest observed value: 23.6 ft at 8:00 AM CDT 13-Mar-2018. Flood Stage is 25 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: Forecasts for the Pearl River at Rockport are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Monticello
Flood Categories (in feet)
Major Flood Stage: 39
Moderate Flood Stage: 35
Flood Stage: 25
Action Stage: 24
Low Stage (in feet): -9999

Historic Crests
(1) 42.83 ft on 04/18/1979
(2) 41.00 ft on 04/26/1874
(3) 40.00 ft on 01/01/1900
(4) 37.40 ft on 12/23/1961
(5) 36.83 ft on 05/01/1983
(6) 35.79 ft on 04/10/2014
(7) 35.66 ft on 05/05/1991
(8) 35.25 ft on 04/09/1938
(9) 34.56 ft on 02/25/2003
(10) 34.31 ft on 02/20/1946
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(P): Preliminary values subject to further review.

Recent Crests
(1) 31.05 ft on 04/07/2017
(2) 33.60 ft on 03/19/2016
(3) 31.30 ft on 02/04/2016
(4) 35.79 ft on 04/10/2014
(5) 28.50 ft on 05/11/2013 (P)
(6) 30.21 ft on 02/14/2013
(7) 26.05 ft on 08/31/2012
(8) 28.45 ft on 03/10/2011
(9) 27.59 ft on 02/07/2010
(10) 32.46 ft on 03/30/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.11 ft on 10/25/1943
(2) 5.33 ft on 09/30/1994

For more information on your flood risk go to

Zoom Level:14
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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
42.8 Major flooding with widespread disastrous flooding of homes in Rockport and Georgetown and other areas along the river in Simpson and Copiah counties.
39 Major flooding of homes and many primary roads is occurring.
36 Moderate flooding begins to threaten homes and many local access roads, especially on the Simpson County side of the river.
34 Several local access roads begin to flood on the Simpson County side of the river.
30 Water begins to back up into higher agricultural and pasture lands, mainly on the Simpson County side of the river.
25 Widespread flooding of low pastureland and bottomland is occurring.
21 Minor flooding of bottomlands is occurring in the immediate proximity of the river.
(1) Upstream view from the Lower Rockport Road
(2) Downstream view from Lower Rockport Road
(3) Full Staff Gage - Rockport
(4) Lower end of Rockport staff gage
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Latitude: 31.790830° N, Longitude: 90.142500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 25 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 29 180.19 ft 205.19 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:

Additional Information Collapse
Staff Gauge only when stages above 20 feet. Observations taken by local volunteer observers as they are able.
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Hydrologic Resources Additional Resources
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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
Jackson Weather Forecast Office
234 Weather Service Dr.
Jackson, MS 39232
(601) 936-2189
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Page last modified: 21-Dec-2016 5:20 PM
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