Lake Winnebago Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Winnebago water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Winnebago been doing?
Across the available 30-day series, Lake Winnebago is falling overall. The measured range runs from 745.96 ft to 747.24 ft, with a net change of -0.39 ft.
Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.
Recent daily levels
| Date | Low | Average | High |
|---|---|---|---|
| Oct 7 | 746.74 ft | 746.78 ft | 746.84 ft |
| Oct 6 | 746.71 ft | 746.79 ft | 746.93 ft |
| Oct 5 | 746.81 ft | 746.85 ft | 746.91 ft |
| Oct 4 | 746.75 ft | 746.83 ft | 746.94 ft |
| Oct 3 | 746.86 ft | 746.90 ft | 746.94 ft |
| Oct 2 | 745.96 ft | 746.90 ft | 746.96 ft |
| Oct 1 | 746.85 ft | 746.93 ft | 747.01 ft |
| Sep 30 | 746.87 ft | 746.92 ft | 746.96 ft |
| Sep 29 | 746.92 ft | 746.95 ft | 747.00 ft |
| Sep 28 | 746.96 ft | 746.96 ft | 746.98 ft |
| Sep 27 | 746.96 ft | 746.97 ft | 747.05 ft |
| Sep 26 | 746.97 ft | 747.00 ft | 747.03 ft |
| Sep 25 | 746.97 ft | 747.00 ft | 747.03 ft |
| Sep 24 | 746.98 ft | 747.00 ft | 747.04 ft |
| Sep 23 | 747.00 ft | 747.03 ft | 747.06 ft |
| Sep 22 | 747.00 ft | 747.05 ft | 747.12 ft |
| Sep 21 | 747.02 ft | 747.08 ft | 747.16 ft |
| Sep 20 | 746.98 ft | 747.07 ft | 747.13 ft |
| Sep 19 | 746.93 ft | 747.04 ft | 747.24 ft |
| Sep 18 | 746.89 ft | 746.96 ft | 747.03 ft |
| Sep 17 | 746.88 ft | 746.97 ft | 747.06 ft |
| Sep 16 | 746.94 ft | 746.99 ft | 747.08 ft |
| Sep 15 | 746.77 ft | 746.93 ft | 747.22 ft |
| Sep 14 | 746.83 ft | 746.95 ft | 747.04 ft |
| Sep 13 | 746.87 ft | 746.96 ft | 747.03 ft |
| Sep 12 | 746.94 ft | 746.99 ft | 747.06 ft |
| Sep 11 | 747.01 ft | 747.05 ft | 747.10 ft |
| Sep 10 | 747.04 ft | 747.09 ft | 747.14 ft |
| Sep 9 | 747.02 ft | 747.08 ft | 747.14 ft |
| Sep 8 | 747.04 ft | 747.11 ft | 747.19 ft |
Lake Winnebago level-history FAQ
How has Lake Winnebago water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.39 ft and the overall direction is falling.
What was the highest Lake Winnebago level in the last 30 days?
The highest reading in the available 30-day series is 747.24 ft.
What was the lowest Lake Winnebago level in the last 30 days?
The lowest reading in the available 30-day series is 745.96 ft.
Are historical USGS lake readings final?
Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.