What is the current water level of Lake Winnebago?

As of Aug 31, 2026, 3:00 AM (UTC-05:00), the pool elevation was 746.95 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.

Is Lake Winnebago full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Lake Winnebago water level — Wisconsin

Wisconsin · USGS · reading Aug 31, 2026, 3:00 AM (UTC-05:00) Provisional

Lake Winnebago in Wisconsin was last measured at 746.95 ft (datum NAVD88), as of Aug 31, 2026, 3:00 AM (UTC-05:00) (USGS Water Services). Over its recent trend window the level has been falling (−0.1 ft). This reading is provisional and subject to revision.

Current reading Lake Winnebago · Wisconsin

Pool elevation: 746.95 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: ↓Falling

Recent trend

Readings this station published between Jun 2, 2026 and Aug 31, 2026 — a 89-day window — downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-08-31. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Not for navigation or safety decisions (why →)

Source: USGS site 04084255, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00). Official page for this lake →

About this gauge's record

This site's drainage basin covers approximately 5,880 sq mi of contributing watershed.

Other gauges at this site

A second gauge reports at this same structure. Its readings are listed here rather than on a separate page, because it measures the same water.

Companion gauges at Lake Winnebago, with their own current readings.
Gauge	Source	Elevation	Storage
Lake Winnebago at Oshkosh	USGS site 04082500	746.86 ft (NAVD88)	—

How Lake Winnebago compares nearby

4 of 6 nearby lakes with a current trend are also falling right now.

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Lake Winnebago, with current level and distance.
Lake	State	Level	Distance
Lake Winnebago at Oshkosh	WI	746.86 ft	17 km
Lake Huron	WI	1,092.14 ft	88 km
Pleasant Lake	WI	980.22 ft	98 km
Lake Mendota at Madison	WI	849.96 ft	137 km
Lake Monona at Madison	WI	845.03 ft	141 km
Lake Waubesa at Mc Farland	WI	844.78 ft	142 km

Frequently asked questions

What is the current water level of Lake Winnebago?: As of Aug 31, 2026, 3:00 AM (UTC-05:00), the pool elevation was 746.95 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.
Is Lake Winnebago full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USGS site 04084255, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00).

More in Wisconsin

See every lake tracked in Wisconsin, or read the methodology behind these figures.