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 Estuarium

a better future

The Lake Superior Estuarium, our new public interpretive center, creates a better future through community, collaboration and place-based education.

Lake Superior Reserve Learning Center

In the News

Explore the new Lake Superior Estuarium .pdf

Nov 1st, 2017, Duluth Seaway Port Authority North Star Port, Fall 2017

New Boat Enhances Lake Superior’s Research Capabilities

Oct 19th, 2017, National Estuarine Research Reserve Association

Superior Hosts Grand Opening of Lake Superior Estuarium

Sep 30th, 2017, WDIO

Opening the door to local waters

Sep 29th, 2017, Superior Telegram

Upcoming Events

Live Data

24.8° F

-4.0° C

Pokegama Bay

01/17/2018 20:00 (LST)

Wind Speed
2.4mps - 5.4mph
Max Wind Speed
5.8mps - 13mph
Wind Dir From
169° To 
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)

Explore the Estuary

St. Louis River

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.

Get out and explore
St. Louis River Estuary