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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Wisconsin River at Merrill are issued as needed during times of high water, but are not routinely available.
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Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 13.5
Flood Stage: 11
Action Stage: 10
Low Stage (in feet): 4

Historic Crests
(1) 18.26 ft on 08/31/1941
(2) 17.50 ft on 07/24/1912
(3) 13.85 ft on 09/18/1942
(4) 13.28 ft on 04/14/2023
(5) 13.28 ft on 04/14/2023
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.28 ft on 04/14/2023
(2) 13.28 ft on 04/14/2023
(3) 11.97 ft on 04/14/2022
(4) 8.61 ft on 04/13/2021
(5) 10.42 ft on 03/30/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.00 ft on 09/15/1910
(2) 2.86 ft on 08/06/2005
(3) 2.90 ft on 08/11/2009
(4) 3.28 ft on 08/13/2007
(5) 3.35 ft on 08/10/1934
Show More Low Water Records
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
18 The Merrill sewage disposal plant...area parks and lowland are flooded. The western approach of Highway 64 bridge is covered with floodwaters.
16 The west approach to the highway 64 bridge becomes flooded.
13 Several feet of water may be covering area parks and lowland in Merrill. Floodwaters reach the base of the river gauging station.
11 Flooding mainly affects Merrill area parks and agricultural land.
10 There is minor lowland flooding. Flood stage is at 11 feet.
3.5 About 2 feet below normal stage...submerged rocks and structures may become more hazardous to boaters over more sections of the river.
Photos
(1) Riverside park in Merrill at 12.35 feet
(2) Downstream looking at the Business 51 bridge. Stage at 6.94 feet.
Low Water Impacts Collapse
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2 - 4 Submerged objects become hazardous.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
How low could the river get?
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
Green Bay Weather Forecast Office
2485 South Point Road
Green Bay, WI 54313
(920) 494-2363
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