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.
Explore the Estuary
St. Louis River Estuary
The St. Louis River Estuary is a rich, unique and diverse place to explore. From sandy beaches to protected bays valued for bass, walleye and muskie fishing, to the wild Red River Breaks, the St. Louis River provides a wilderness experience within 10 minutes of the Twin Ports.
03/29/2020 14:00 (LST)
2.0mps - 4.5mph
5.1mps - 11.4mph
27° To SSW
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Sep 14th, 2019, National Oceanic and Atmospheric Administration
Mar 16th, 2020, National Estuarine Research Reserve Association
Jan 16th, 2020, National Oceanic and Atmospheric Administration
Lake Superior Estuarium
a better future
The Lake Superior Estuarium, our new public interpretive center, creates a better future through community, collaboration and place-based education.
10 Years and Counting – Collaborating for Success
St. Louis River Summit
Join us for the 10th Annual St. Louis River Summit on March 3-4, 2020 at the Duluth Entertainment Convention Center.