National Weather Service Advanced Hydrologic Prediction Service

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
User Guide
User Brochure

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

Web Portal Changes:

AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024
Please see water.noaa.gov/gauges/HARP1. Please sub in your favorite location ID for HARP1 - bookmark it NOW
The pages will automatically redirect to water.noaa.gov until May 28, 2025.
Other Important URL changes - Service Change Notice 24-29

Please visit https://www.weather.gov/owp/operations for more information.

Weather Forecast Office Green Bay, WI

North Central River Forecast Center

Hydrograph

River at a Glance

Download

Printable Image

About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: NAVD88

Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Menominee River at Niagara are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	16
Moderate Flood Stage:	15
Flood Stage:	13
Action Stage:	10
Low Stage (in feet):	-9999

Historic Crests
(1) 16.22 ft on 04/19/2002
(2) 15.42 ft on 04/16/2023
(3) 15.11 ft on 04/27/1996
(4) 15.11 ft on 04/27/1996
(5) 14.52 ft on 04/24/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.42 ft on 04/16/2023
(2) 12.17 ft on 04/15/2021
(3) 9.97 ft on 03/25/2021
(4) 12.36 ft on 05/01/2020
(5) 14.52 ft on 04/24/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.44 ft on 05/30/2010
(2) 3.52 ft on 08/07/2012
(3) 3.82 ft on 09/27/2009
(4) 4.03 ft on 09/19/2007
Show More Low Water Records

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

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
16.5	This stage compares to a record flow of around 22000 cubic feet per second set 1953.
16	The Kingsford and Niagara Parks are flooded. This stage compares to a flow of 19900 cfs. In Niagara...floodwaters affect Sherman Street and the Stora Enso Mill...as well as the United Methodist Church. In Southern Dickinson County...water is covering Highway 577...and a trailer park in the city of Quinnesec is flooded. River Road in Aurora is covered by floodwaters at 19700 cfs.
15.5	Water is covering adjacent parks in both Kingsford and Niagara. River Road in Aurora is covered with water. This stage compares to a flow of 19700 cubic feet per second.
15	This stage compares to 19000 CFS at the Kingsford Dam. Floodwaters reach the Aurora Fire Protection station.
14.5	In the city of Niagara, water begins to cover the Niagara boat landing on Tyler Road...and water approaches homes along Sherman Street. This stage compares to a flow of 16500 cubic feet per second.
13	Water approaches the parking lot of the Union Protestant Church.
11.5	Near 8200 cfs, Piers Gorge downstream considered high for local rafting companies.
10	Which is bankfull stage...there is flooding of lowland. Piers Gorge rapids downstream become active.
7.5	7.5 feet or 3000 cfs is considered the top end for the ideal range for local rafting companies downstream.
5	5.0 feet or 1000 cfs...is considered the low end of ideal conditions for rafting downstream .
Photos (1) Normal stage. Upstream (2) Photo of gauge house and river at 7.4 feet (3) Church on Sherman street just above Flood Stage

About This Location

Latitude: 45.767778° N, Longitude: 87.980556° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	13 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	880 ft	893 ft	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	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Niagara

Additional Information

How low could the river get?

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

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
Green Bay Weather Forecast Office
2485 South Point Road
Green Bay, WI 54313
(920) 494-2363
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM

Disclaimer
Credits
Glossary