Due to the COVID-19 virus outbreak and guidelines from Wisconsin Department of Health Services, UW–Madison, and federal agencies the Estuarium is closed and our facilities will have limited availability and access. Our staff are working remotely and many of our events have been postponed. Visit Facebook for updates. For the latest information on COVID-19, visit the Wisconsin Department of Health Services.

Located on the St. Louis River Estuary in Superior, Wisconsin

The Lake Superior National Estuarine Research Reserve works in partnership to improve the understanding of Lake Superior’s coast and estuaries. We address issues affecting the watershed through integration of research, education, outreach and stewardship.

Lake Superior High Water Spotter

Help document shoreline impacts from water levels

This year the water levels across the Great Lakes are predicted to once again be very high. We’re gathering photos from around Lake Superior that capture what these conditions look like to establish a visual record.

Share your photos
Lake Superior Day, Lake Superior Community Celebration


Live Data

56.5° F

13.6° C

Pokegama Bay

09/22/2020 21:00 (LST)

Wind Speed
0.2mps - 0.4mph
Max Wind Speed
0.5mps - 1.1mph
Wind Dir From
223° To NE
Rel Humidity
Bar Pressure
Total PAR
Cum Precip

All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)