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.

Rivers2Lake Curriculum Resources

Get Them Outside!

Reserve Education staff have crafted nearly 80 different lessons and resources that are aligned to Wisconsin and Minnesota education standards, all of which are available for FREE through the Rivers2Lake website. These lessons are great tools to get kids outside and learning. Check them out!

FREE Educational Resources
St. Louis River Estuary

Live Data

46.2° F

7.9° C

Pokegama Bay

06/07/2020 03:00 (LST)

Wind Speed
2.2mps - 4.9mph
Max Wind Speed
4.9mps - 11mph
Wind Dir From
98° To W
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)


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Talk NERRdy With Me: Deanna Erickson

Mar 16th, 2020, National Estuarine Research Reserve Association

NOAA teams up with Viking to conduct and share science aboard new Great Lakes expedition voyages

Jan 16th, 2020, National Oceanic and Atmospheric Administration

Mentoring works: Teachers engage year-round with Lake Superior

Oct 9th, 2019, National Oceanic and Atmospheric Administration