Wolf River (WI) near Lake Poygan
Wisconsin — Water Level & Flood Stage
Located in Winnebago County, Wisconsin on the Wolf River (WI). Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: WNCW3). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
8.5 ft
Moderate Flood
7 ft
Minor Flood
5 ft
Action Stage
4 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
8.5 ft
Water is into many homes along low-lying areas from Lake Poygan upstream along the Wolf River to Fremont. Many roads adjacent to Lake Poygan and Wolf River are closed. The Highway 116 bridge in Winneconne may be impacted.
8 ft
Water is into many homes along the Wolf River from Lake Poygan upstream to Fremont.
7 ft
Many homes and structures along the Wolf River from Fremont to Lake Poygan have water around foundations. Some low-lying roads may be closed.
5.5 ft
Floodwaters surround low-lying structures along the south shore of Lake Poygan and the Wolf River upstream to Fremont. Floodwaters are approaching structures along South First Avenue and South First Street in Winneconne. Floodwaters also are approaching structures near Sunset Trail Road on the east shore of Lake Poygan.
5 ft
Several inches of water may be surrounding low-lying structures along Lake Poygan and upstream along the Wolf River to Fremont. Local communities from Lake Poygan upstream along the Wolf River to Fremont may consider or already have in effect no wake advisories to protect the shoreline.
4.5 ft
Floodwaters may be near low-lying structures along the south shore of Lake Poygan and upstream along the Fox River to Fremont. Slow no wake advisories may be in effect for some locations.
4 ft
Water may be approaching low-lying structures on the south shore of Lake Poygan. This includes Elm Street in Winneconne.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 28, 2026 | 5.15 ft | — |
| Apr 28, 2026 | 5.15 ft | — |
| Jun 16, 2004 | 4.85 ft | — |
| Jun 16, 2004 | 4.85 ft | — |
| Apr 30, 2011 | 4.63 ft | — |
About This Gauge
NWS LID
WNCW3
River
Wolf River (WI)
County
Winnebago, WI
Coordinates
44.1624°N, 88.7692°W
Get Flood Alerts for Wolf River (WI)
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Wolf River (WI) near Lake Poygan?
The Wolf River (WI) near Lake Poygan gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Wolf River (WI) near Lake Poygan?
The NWS-defined flood stage for Wolf River (WI) near Lake Poygan is 5 feet. Action stage begins at 4 feet. Moderate flooding starts at 7 feet, and major flooding at 8.5 feet.
How do I get alerts when Wolf River (WI) rises?
Download StormCast free on Google Play, go to River Gauges, and add Wolf River (WI) near Lake Poygan to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Wolf River (WI) near Lake Poygan gauge located?
The gauge is located in Winnebago County, Wisconsin at coordinates 44.1624°N, 88.7692°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
- Stage may be affected by ice.