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Over the coming weeks, we will be updating our Great Lakes Information website.

You can expect to see some exciting new pages, along with a reorganization of the site to ease navigation. Page changes will be set up with temporary redirects, but please update any bookmarks you have saved. We hope these improvements will help to better educate, inform, and inspire everyone that visits our site.

If you experience any difficulties finding information you rely on, please contact us at (313) 226-3020 or hhpm@usace.army.mil.

Lake Winnebago

Important Notices

The IGLD 1985 relationships in the Lake Winnebago system are currently being updated.  Please contact the Chief of Construction & Survey at (920) 388-3720 for more information.

Lake Winnebago Levels and Flows

Levels and Flows


Historical Data
Water Levels for the Last 2 Months - Graph or Table



Basin Precipitation


National Weather Service (NWS)

National Center for Atmospheric Research (NOAA)


Basin Water Temperature

Water Temperature

Daily Water Temperature for the Last 21 Days









The Wisconsin District of the USGS provides hydrographs for provisional stream flow and gage height data for the last seven days

USGS Hydrographs

Wolf River at New London

Fox River at Berlin

Fox River at Oshkosh

Fox River at Appleton





NOAA's Quantitive Precipitation Forecast (a prediction of the amount of precipitation that will fall at a given location in a given time interval). 

Quantitative Precipitation Forecast







Document Information and Assistance

NOTICE:  Not all documents accessible via this page are readable using optical character recognition (OCR). For more information and/or assistance please call 313-226-6441.

Detroit District Disclaimer

NOTICE: All data contained herein is preliminary in nature and therefore subject to change. The data is for general information purposes ONLY and SHALL NOT be used in technical applications such as, but not limited to, studies or designs. All critical data should be obtained from and verified by the United States Army Corps of Engineers, Detroit District, Engineering and Technical Services, Great Lakes Hydraulics and Hydrology Office, 477 Michigan Ave., Detroit, MI 48226. The United States of America assumes no liability for the completeness or accuracy of the data contained herein and any use of such data inconsistent with this disclaimer shall be solely at the risk of the user.