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Hydrograph River at a Glance Download
Genesee River at Rochester Stage (ft)Flow (kcfs)Observed: 6.74 ft at 8:00AM Mar 26, 2024Observed: 7.6 ft at 8:00AM Mar 27, 2024Highest Observation: 7.8 ft at 8:00AM Mar 28, 2024Highest Forecast: 7.6 ft 8:00PM Mar 28, 2024Forecast: 7.5 ft 2:00AM Mar 29, 2024Forecast: 7.4 ft 8:00AM Mar 29, 2024Forecast: 7.3 ft 2:00PM Mar 29, 2024Forecast: 7.2 ft 8:00PM Mar 29, 2024Forecast: 7.1 ft 2:00AM Mar 30, 2024Forecast: 7 ft 8:00AM Mar 30, 2024Forecast: 6.9 ft 2:00PM Mar 30, 2024Forecast: 6.8 ft 8:00PM Mar 30, 2024Forecast: 6.7 ft 2:00AM Mar 31, 2024Forecast: 6.7 ft 8:00AM Mar 31, 2024RHRN6(plotting HGIRZ) Graph Created (4:31PM Mar 28, 2024)ObservedForecast (issued 11:27AM Mar 28)Latest observed value: 7.8 ft at 8:00 AM EDT 28-Mar-2024. Flood Stage is 15 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge readings received once daily during low-water and more frequently during high water.

NOTE: Gauge readings are temporarily unavailable.

NOTE: Forecasts for the Genesee River at Rochester are issued routinely year-round.

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Upstream Gauge - at Avon Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 19
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 24.50 ft on 03/18/1865
(2) 23.00 ft on 03/31/1916
(3) 20.20 ft on 04/04/1896
(4) 19.08 ft on 04/02/1940
(5) 18.96 ft on 03/19/1942
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(P): Preliminary values subject to further review.

Recent Crests
(1) 14.17 ft on 11/07/2017
(2) 16.80 ft on 01/10/1998
(3) 15.54 ft on 04/02/1993
(4) 15.22 ft on 05/11/1989
(5) 17.55 ft on 04/25/1984
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.60 ft on 10/06/1973
(2) 2.80 ft on 08/03/1999
(3) 3.00 ft on 08/15/1996
Zoom Level:16
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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
24 Major flood, Rochester flood walls topped. Major and extensive flooding with damages in residential and commercial areas south of downtown and south suburbs. Evacuations possible. Canal locks topped at 23 feet, additional flooding. Flow = 55000 cfs.
19 Moderate flood, more widespread flooding southern suburbs. Areas above upper falls start to flood, including Bausch and Lomb and Barnard Simmons Plants. Flow 33000 cfs.
15 Flood stage, minor flood, some residential flooding begins in southern suburbs, mile 12-18 in Henrietta and Chili. Flow 20000 cfs.
About This Location Collapse

Latitude: 43.180556° N, Longitude: 77.627778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 244.24 ft 259.24 ft  
Additional Information Collapse
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

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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
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Page last modified: 2-Nov-2020 7:30 PM
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