Research, education, outreach and stewardship along Lake Superior’s coast

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

Improving the understanding of Lake Superior’s coast and estuaries

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, system-wide monitoring, education, coastal training and stewardship.

A Gathering Place for Learning and Play

Lake Superior Estuarium logo

Enjoy, explore and experience!

The Estuarium is open Wednesdays, Fridays, and Saturdays 10:00a.m.—5:00p.m. Enjoy, explore and experience the Estuarium.
FREE ADMISSION!

The front of a red building with tan trim

Happening at the Lake Superior Reserve

Building blocks for sharing science 2024 lineup graphic

Building Blocks for Sharing Science

New lineup of virtual trainings now available!

Registration and more about Building Blocks for Sharing Science here

Lake superior estuarium open

Featured Event

Current Conditions on the St. Louis River Estuary

A water quality station monitoring a body of water

Barker's Island

Apr 30, 2024 11:00 AM

This may not be current data


Water Quality

Water Temperature
42.8 F
6.7 C

Specific Conductivity
0.23 mS/cm

Dissolved Oxygen
91.8%

Dissolved Oxygen
11.2mg/l

Salinity
0.1 PSU

Depth
3.28 ft
1.15 m

pH
8.0 standard units

Turbidity
11 FNU/NTU

Chorophyl Fluoresence
3.6

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

A water quality station monitoring a body of water

Barker's Island

Oct 26, 2022 2:25 PM

This may not be current data


Nutrients

Orthophospate
0.013

Ammonium
0.085

Nitrite

Nitrate

Nitrite + Nitrate
0.502

Chlorophyll
7.4

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

A weather station in a marsh area

Pokegama Bay

May 22, 2024 1:00 PM

Weather

Air Temp
57.7° F

14.3° C

Wind Speed
8.7mps (17.9mph)

Max Wind Speed
14.2mps (31.3mph)

Wind Dir
29°

Rel Humidity
56%

Bar Pressure
1001 millibars

Cum Precip
5.1mm

Total PAR
131.0mmol/m2/15 mins

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

How to Pronounce

Lake Superior National Estuarine Research Reserve