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Hydrograph River at a Glance Download
Tonawanda Creek at Rapids Stage (ft)Flow (kcfs)Observed: 2.63 ft at 9:15AM Apr 06, 2020Observed: 2.63 ft at 9:30AM Apr 06, 2020Observed: 2.63 ft at 9:45AM Apr 06, 2020Observed: 2.63 ft at 10:00AM Apr 06, 2020Observed: 2.62 ft at 12:15PM Apr 06, 2020Observed: 2.61 ft at 12:30PM Apr 06, 2020Observed: 2.61 ft at 12:45PM Apr 06, 2020Observed: 2.61 ft at 1:00PM Apr 06, 2020Observed: 2.6 ft at 1:15PM Apr 06, 2020Observed: 2.61 ft at 1:30PM Apr 06, 2020Observed: 2.6 ft at 1:45PM Apr 06, 2020Observed: 2.61 ft at 2:00PM Apr 06, 2020Observed: 2.6 ft at 2:15PM Apr 06, 2020Observed: 2.6 ft at 2:30PM Apr 06, 2020Observed: 2.6 ft at 2:45PM Apr 06, 2020Observed: 2.6 ft at 3:00PM Apr 06, 2020Observed: 2.59 ft at 3:15PM Apr 06, 2020Observed: 2.59 ft at 3:30PM Apr 06, 2020Observed: 2.59 ft at 3:45PM Apr 06, 2020Observed: 2.59 ft at 4:00PM Apr 06, 2020Observed: 2.59 ft at 4:15PM Apr 06, 2020Observed: 2.58 ft at 4:30PM Apr 06, 2020Observed: 2.57 ft at 4:45PM Apr 06, 2020Observed: 2.58 ft at 5:00PM Apr 06, 2020Observed: 2.59 ft at 5:15PM Apr 06, 2020Observed: 2.57 ft at 5:30PM Apr 06, 2020Observed: 2.57 ft at 5:45PM Apr 06, 2020Observed: 2.57 ft at 6:00PM Apr 06, 2020Observed: 2.58 ft at 6:15PM Apr 06, 2020Observed: 2.57 ft at 6:30PM Apr 06, 2020Observed: 2.57 ft at 6:45PM Apr 06, 2020Observed: 2.57 ft at 7:00PM Apr 06, 2020Observed: 2.56 ft at 7:15PM Apr 06, 2020Observed: 2.56 ft at 7:30PM Apr 06, 2020Observed: 2.56 ft at 7:45PM Apr 06, 2020Observed: 2.56 ft at 8:00PM Apr 06, 2020Observed: 2.56 ft at 8:15PM Apr 06, 2020Observed: 2.55 ft at 8:30PM Apr 06, 2020Observed: 2.56 ft at 8:45PM Apr 06, 2020Observed: 2.56 ft at 9:00PM Apr 06, 2020Observed: 2.55 ft at 9:15PM Apr 06, 2020Observed: 2.55 ft at 9:30PM Apr 06, 2020Observed: 2.55 ft at 9:45PM Apr 06, 2020Observed: 2.54 ft at 10:00PM Apr 06, 2020Observed: 2.54 ft at 10:15PM Apr 06, 2020Observed: 2.54 ft at 10:30PM Apr 06, 2020Observed: 2.54 ft at 10:45PM Apr 06, 2020Observed: 2.54 ft at 11:00PM Apr 06, 2020Observed: 2.54 ft at 11:15PM Apr 06, 2020Observed: 2.54 ft at 11:30PM Apr 06, 2020Observed: 2.54 ft at 11:45PM Apr 06, 2020Observed: 2.53 ft at 12:00AM Apr 07, 2020Observed: 2.53 ft at 12:15AM Apr 07, 2020Observed: 2.53 ft at 12:30AM Apr 07, 2020Observed: 2.53 ft at 12:45AM Apr 07, 2020Observed: 2.52 ft at 1:00AM Apr 07, 2020Observed: 2.52 ft at 1:15AM Apr 07, 2020Observed: 2.52 ft at 1:30AM Apr 07, 2020Observed: 2.52 ft at 1:45AM Apr 07, 2020Observed: 2.51 ft at 2:00AM Apr 07, 2020Observed: 2.51 ft at 2:15AM Apr 07, 2020Observed: 2.51 ft at 2:17AM Apr 07, 2020Observed: 2.52 ft at 2:30AM Apr 07, 2020Observed: 2.51 ft at 2:45AM Apr 07, 2020Observed: 2.51 ft at 3:00AM Apr 07, 2020Observed: 2.51 ft at 3:15AM Apr 07, 2020Observed: 2.51 ft at 3:30AM Apr 07, 2020Observed: 2.51 ft at 3:45AM Apr 07, 2020Observed: 2.5 ft at 4:00AM Apr 07, 2020Observed: 2.5 ft at 4:15AM Apr 07, 2020Observed: 2.51 ft at 4:30AM Apr 07, 2020Observed: 2.5 ft at 4:45AM Apr 07, 2020Observed: 2.5 ft at 5:00AM Apr 07, 2020Observed: 2.5 ft at 5:15AM Apr 07, 2020Observed: 2.5 ft at 5:30AM Apr 07, 2020Observed: 2.5 ft at 5:45AM Apr 07, 2020Observed: 2.49 ft at 6:00AM Apr 07, 2020Observed: 2.49 ft at 6:15AM Apr 07, 2020Observed: 2.49 ft at 6:30AM Apr 07, 2020Observed: 2.49 ft at 6:45AM Apr 07, 2020Observed: 2.49 ft at 7:00AM Apr 07, 2020Observed: 2.49 ft at 7:15AM Apr 07, 2020Observed: 2.48 ft at 7:30AM Apr 07, 2020Observed: 2.49 ft at 7:45AM Apr 07, 2020Observed: 2.48 ft at 8:00AM Apr 07, 2020Observed: 2.48 ft at 8:15AM Apr 07, 2020Observed: 2.48 ft at 8:30AM Apr 07, 2020Observed: 2.48 ft at 8:45AM Apr 07, 2020Observed: 2.48 ft at 9:00AM Apr 07, 2020Observed: 2.47 ft at 9:15AM Apr 07, 2020Observed: 2.47 ft at 9:30AM Apr 07, 2020Observed: 2.47 ft at 9:45AM Apr 07, 2020Observed: 2.47 ft at 10:00AM Apr 07, 2020Observed: 2.47 ft at 10:15AM Apr 07, 2020Observed: 2.46 ft at 10:30AM Apr 07, 2020Observed: 2.47 ft at 10:45AM Apr 07, 2020Observed: 2.46 ft at 11:00AM Apr 07, 2020Observed: 2.46 ft at 11:15AM Apr 07, 2020Observed: 2.46 ft at 11:30AM Apr 07, 2020Observed: 2.46 ft at 11:45AM Apr 07, 2020Observed: 2.46 ft at 12:00PM Apr 07, 2020Observed: 2.45 ft at 12:15PM Apr 07, 2020Observed: 2.45 ft at 12:30PM Apr 07, 2020Observed: 2.45 ft at 12:45PM Apr 07, 2020Observed: 2.45 ft at 1:00PM Apr 07, 2020Observed: 2.44 ft at 1:15PM Apr 07, 2020Observed: 2.44 ft at 1:30PM Apr 07, 2020Observed: 2.44 ft at 1:45PM Apr 07, 2020Observed: 2.44 ft at 2:00PM Apr 07, 2020Observed: 2.45 ft at 2:15PM Apr 07, 2020Observed: 2.43 ft at 2:30PM Apr 07, 2020Observed: 2.43 ft at 2:45PM Apr 07, 2020Observed: 2.44 ft at 3:00PM Apr 07, 2020Observed: 2.43 ft at 3:15PM Apr 07, 2020Observed: 2.43 ft at 3:30PM Apr 07, 2020Observed: 2.43 ft at 3:45PM Apr 07, 2020Observed: 2.43 ft at 4:00PM Apr 07, 2020Observed: 2.43 ft at 4:15PM Apr 07, 2020Observed: 2.42 ft at 4:30PM Apr 07, 2020Observed: 2.42 ft at 4:45PM Apr 07, 2020Observed: 2.42 ft at 5:00PM Apr 07, 2020Observed: 2.42 ft at 5:15PM Apr 07, 2020Observed: 2.42 ft at 5:30PM Apr 07, 2020Observed: 2.42 ft at 5:45PM Apr 07, 2020Observed: 2.41 ft at 6:00PM Apr 07, 2020Observed: 2.41 ft at 6:15PM Apr 07, 2020Observed: 2.41 ft at 6:30PM Apr 07, 2020Observed: 2.4 ft at 6:45PM Apr 07, 2020Observed: 2.41 ft at 7:00PM Apr 07, 2020Observed: 2.4 ft at 7:15PM Apr 07, 2020Observed: 2.4 ft at 7:30PM Apr 07, 2020Observed: 2.4 ft at 7:45PM Apr 07, 2020Observed: 2.4 ft at 8:00PM Apr 07, 2020Observed: 2.4 ft at 8:15PM Apr 07, 2020Observed: 2.4 ft at 8:30PM Apr 07, 2020Observed: 2.4 ft at 8:45PM Apr 07, 2020Observed: 2.4 ft at 9:00PM Apr 07, 2020Observed: 2.39 ft at 9:15PM Apr 07, 2020Observed: 2.39 ft at 9:30PM Apr 07, 2020Observed: 2.39 ft at 9:45PM Apr 07, 2020Observed: 2.39 ft at 10:00PM Apr 07, 2020Observed: 2.39 ft at 10:15PM Apr 07, 2020Observed: 2.4 ft at 10:30PM Apr 07, 2020Observed: 2.4 ft at 10:45PM Apr 07, 2020Observed: 2.4 ft at 11:00PM Apr 07, 2020Observed: 2.4 ft at 11:15PM Apr 07, 2020Observed: 2.4 ft at 11:30PM Apr 07, 2020Observed: 2.4 ft at 11:45PM Apr 07, 2020Observed: 2.4 ft at 12:00AM Apr 08, 2020Observed: 2.4 ft at 12:15AM Apr 08, 2020Observed: 2.4 ft at 12:30AM Apr 08, 2020Observed: 2.4 ft at 12:45AM Apr 08, 2020Observed: 2.4 ft at 1:00AM Apr 08, 2020Observed: 2.4 ft at 1:15AM Apr 08, 2020Observed: 2.4 ft at 1:30AM Apr 08, 2020Observed: 2.4 ft at 1:45AM Apr 08, 2020Observed: 2.4 ft at 2:00AM Apr 08, 2020Observed: 2.4 ft at 2:15AM Apr 08, 2020Observed: 2.4 ft at 2:16AM Apr 08, 2020Observed: 2.4 ft at 2:30AM Apr 08, 2020Observed: 2.4 ft at 2:45AM Apr 08, 2020Observed: 2.4 ft at 3:00AM Apr 08, 2020Observed: 2.4 ft at 3:15AM Apr 08, 2020Observed: 2.41 ft at 3:30AM Apr 08, 2020Observed: 2.4 ft at 3:45AM Apr 08, 2020Observed: 2.4 ft at 4:00AM Apr 08, 2020Observed: 2.41 ft at 4:15AM Apr 08, 2020Observed: 2.41 ft at 4:30AM Apr 08, 2020Observed: 2.41 ft at 4:45AM Apr 08, 2020Observed: 2.41 ft at 5:00AM Apr 08, 2020Observed: 2.41 ft at 5:15AM Apr 08, 2020Observed: 2.42 ft at 5:30AM Apr 08, 2020Observed: 2.42 ft at 5:45AM Apr 08, 2020Observed: 2.42 ft at 6:00AM Apr 08, 2020Observed: 2.42 ft at 6:15AM Apr 08, 2020Observed: 2.43 ft at 6:30AM Apr 08, 2020Observed: 2.42 ft at 6:45AM Apr 08, 2020Observed: 2.42 ft at 7:00AM Apr 08, 2020Observed: 2.43 ft at 7:15AM Apr 08, 2020Observed: 2.43 ft at 7:30AM Apr 08, 2020Observed: 2.43 ft at 7:45AM Apr 08, 2020Observed: 2.43 ft at 8:00AM Apr 08, 2020Observed: 2.43 ft at 8:15AM Apr 08, 2020Observed: 2.44 ft at 8:30AM Apr 08, 2020Observed: 2.44 ft at 8:45AM Apr 08, 2020Observed: 2.44 ft at 9:00AM Apr 08, 2020Observed: 2.44 ft at 9:15AM Apr 08, 2020Observed: 2.45 ft at 9:30AM Apr 08, 2020Observed: 2.45 ft at 9:45AM Apr 08, 2020Observed: 2.46 ft at 10:00AM Apr 08, 2020Observed: 2.45 ft at 10:15AM Apr 08, 2020Observed: 2.46 ft at 10:30AM Apr 08, 2020Observed: 2.46 ft at 10:45AM Apr 08, 2020Observed: 2.47 ft at 11:00AM Apr 08, 2020Observed: 2.47 ft at 11:15AM Apr 08, 2020Observed: 2.47 ft at 11:30AM Apr 08, 2020Observed: 2.47 ft at 11:45AM Apr 08, 2020Observed: 2.48 ft at 12:00PM Apr 08, 2020Observed: 2.48 ft at 12:15PM Apr 08, 2020Observed: 2.48 ft at 12:30PM Apr 08, 2020Observed: 2.49 ft at 12:45PM Apr 08, 2020Observed: 2.49 ft at 1:00PM Apr 08, 2020Observed: 2.5 ft at 1:15PM Apr 08, 2020Observed: 2.5 ft at 1:30PM Apr 08, 2020Observed: 2.51 ft at 1:45PM Apr 08, 2020Observed: 2.51 ft at 2:00PM Apr 08, 2020Observed: 2.51 ft at 2:15PM Apr 08, 2020Observed: 2.52 ft at 2:30PM Apr 08, 2020Observed: 2.52 ft at 2:45PM Apr 08, 2020Observed: 2.52 ft at 3:00PM Apr 08, 2020Observed: 2.52 ft at 3:15PM Apr 08, 2020Observed: 2.53 ft at 3:30PM Apr 08, 2020Observed: 2.53 ft at 3:45PM Apr 08, 2020Observed: 2.53 ft at 4:00PM Apr 08, 2020Observed: 2.54 ft at 4:15PM Apr 08, 2020Observed: 2.54 ft at 4:30PM Apr 08, 2020Observed: 2.54 ft at 4:45PM Apr 08, 2020Observed: 2.55 ft at 5:00PM Apr 08, 2020Observed: 2.55 ft at 5:15PM Apr 08, 2020Observed: 2.56 ft at 5:30PM Apr 08, 2020Observed: 2.56 ft at 5:45PM Apr 08, 2020Observed: 2.56 ft at 6:00PM Apr 08, 2020Observed: 2.56 ft at 6:15PM Apr 08, 2020Observed: 2.57 ft at 6:30PM Apr 08, 2020Observed: 2.57 ft at 6:45PM Apr 08, 2020Observed: 2.57 ft at 7:00PM Apr 08, 2020Observed: 2.58 ft at 7:15PM Apr 08, 2020Observed: 2.59 ft at 7:30PM Apr 08, 2020Observed: 2.59 ft at 7:45PM Apr 08, 2020Observed: 2.59 ft at 8:00PM Apr 08, 2020Observed: 2.6 ft at 8:15PM Apr 08, 2020Observed: 2.6 ft at 8:30PM Apr 08, 2020Observed: 2.6 ft at 8:45PM Apr 08, 2020Observed: 2.6 ft at 9:00PM Apr 08, 2020Observed: 2.6 ft at 9:15PM Apr 08, 2020Observed: 2.6 ft at 9:30PM Apr 08, 2020Observed: 2.6 ft at 9:45PM Apr 08, 2020Observed: 2.61 ft at 10:00PM Apr 08, 2020Observed: 2.61 ft at 10:15PM Apr 08, 2020Observed: 2.61 ft at 10:30PM Apr 08, 2020Observed: 2.62 ft at 10:45PM Apr 08, 2020Observed: 2.62 ft at 11:00PM Apr 08, 2020Observed: 2.62 ft at 11:15PM Apr 08, 2020Observed: 2.62 ft at 11:30PM Apr 08, 2020Observed: 2.61 ft at 11:45PM Apr 08, 2020Observed: 2.62 ft at 12:00AM Apr 09, 2020Observed: 2.62 ft at 12:15AM Apr 09, 2020Observed: 2.62 ft at 12:30AM Apr 09, 2020Observed: 2.62 ft at 12:45AM Apr 09, 2020Observed: 2.62 ft at 1:00AM Apr 09, 2020Observed: 2.63 ft at 1:15AM Apr 09, 2020Observed: 2.62 ft at 1:30AM Apr 09, 2020Observed: 2.62 ft at 1:45AM Apr 09, 2020Observed: 2.63 ft at 2:00AM Apr 09, 2020Observed: 2.62 ft at 2:15AM Apr 09, 2020Observed: 2.62 ft at 2:16AM Apr 09, 2020Observed: 2.62 ft at 2:30AM Apr 09, 2020Observed: 2.63 ft at 2:45AM Apr 09, 2020Observed: 2.62 ft at 3:00AM Apr 09, 2020Observed: 2.62 ft at 3:15AM Apr 09, 2020Observed: 2.63 ft at 3:30AM Apr 09, 2020Observed: 2.63 ft at 3:45AM Apr 09, 2020Observed: 2.62 ft at 4:00AM Apr 09, 2020Observed: 2.63 ft at 4:15AM Apr 09, 2020Observed: 2.63 ft at 4:30AM Apr 09, 2020Observed: 2.63 ft at 4:45AM Apr 09, 2020Observed: 2.63 ft at 5:00AM Apr 09, 2020Observed: 2.64 ft at 5:15AM Apr 09, 2020Observed: 2.63 ft at 5:30AM Apr 09, 2020Observed: 2.64 ft at 5:45AM Apr 09, 2020Observed: 2.64 ft at 6:00AM Apr 09, 2020Observed: 2.64 ft at 6:15AM Apr 09, 2020Observed: 2.64 ft at 6:30AM Apr 09, 2020Observed: 2.64 ft at 6:45AM Apr 09, 2020Observed: 2.64 ft at 7:00AM Apr 09, 2020Observed: 2.65 ft at 7:15AM Apr 09, 2020Observed: 2.65 ft at 7:30AM Apr 09, 2020Highest Observation: 2.66 ft at 7:45AM Apr 09, 2020Highest Observation: 2.66 ft at 8:00AM Apr 09, 2020Forecast: 3 ft 2:00PM Apr 09, 2020Forecast: 3.2 ft 8:00PM Apr 09, 2020Forecast: 3.4 ft 2:00AM Apr 10, 2020Forecast: 3.6 ft 8:00AM Apr 10, 2020Forecast: 3.7 ft 2:00PM Apr 10, 2020Forecast: 3.8 ft 8:00PM Apr 10, 2020Forecast: 3.9 ft 2:00AM Apr 11, 2020Highest Forecast: 4 ft 8:00AM Apr 11, 2020RAPN6(plotting HGIRG) Graph Created (9:01AM Apr 9, 2020)ObservedForecast (issued 11:00AM Apr 8)Latest observed value: 2.66 ft at 8:00 AM EDT 9-Apr-2020. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Tonawanda Creek at Rapids are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Batavia Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 16.96 ft on 04/01/1960
(2) 16.38 ft on 02/26/1985
(3) 15.91 ft on 03/07/1979
(4) 15.46 ft on 01/25/1957
(5) 15.33 ft on 01/10/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.89 ft on 01/08/2019
(2) 15.13 ft on 12/24/2013
(3) 13.60 ft on 03/11/2009
(4) 14.38 ft on 02/15/2009
(5) 14.73 ft on 12/30/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.91 ft on 07/28/0083
(2) 1.00 ft on 08/03/1999
(3) 1.10 ft on 09/03/1995
(4) 1.40 ft on 06/15/1999
(5) 1.50 ft on 07/15/1998

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

Zoom Level:16
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
16 Major flood, considerable residential flooding in most of North Clarence, North Amherst, Royalton, and Newstead. Widespread road closures. Ransom Oaks area in East Amherst is inundated with backwater into Ransom, Mud, Beeman, and other small creeks. Residential flooding and widespread road closures along the creek from North Amherst to the Alabama Swamps.
14 Moderate flood, some residential flooding with widespread road closures in North Clarence, east into Newstead and Royalton. Water begins to back up into smaller creeks such as Ransom, Black, Beeman, Gott, and Mud Creeks. Flooding in some low lying areas along Tonawanda Creek Road, Rapids Road, and Wolcott Road, with widespread farmland flooding.
12 Flood stage, lowland flooding of farm areas along Tonawanda Creek between Rapids and the Tonawanda Indian Reservation. Flooding may impact Fletcher, Burdick, Kirby, and Tonawanda Creek Roads.
10 Action stage, some impact to low lying roads in Royalton and Newstead, possibly impacting Fletcher and Burdick Roads.
About This Location Collapse

Latitude: 43.093056° N, Longitude: 78.636389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 570.70 582.70 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 571.19 ft 583.19 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
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.

Resources Collapse
Hydrologic Resources Additional Resources
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
Buffalo Weather Forecast Office
587 Aero Drive
Buffalo, NY 14225-1405
(716) 565-0204
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Page last modified: 1-Mar-2019 12:35 AM
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