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

An image of a pdf cover it says Ganawenindiwag working with plant relatives to heal and protect Gichigami shorelines

Ganawenindiwag: Working with plant relatives to heal and protect Gichigami shorelines

Read more about Ganawenindiwag here

The 14th annual St. Louis River Summit

Featured Event

Current Conditions on the St. Louis River Estuary

A water quality station monitoring a body of water

Barker's Island

Nov 22, 2023 10:15 AM

This may not be current data


Water Quality

Water Temperature
37.4 F
3.4 C

Specific Conductivity
0.26 mS/cm

Dissolved Oxygen
86.9%

Dissolved Oxygen
11.6mg/l

Salinity
0.1 PSU

Depth
3.28 ft
1.43 m

pH
7.8 standard units

Turbidity
9 FNU/NTU

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

Feb 22, 2024 6:00 AM

Weather

Air Temp
25.3° F

-3.7° C

Wind Speed
0.5mps (0mph)

Max Wind Speed
0.7mps (0mph)

Wind Dir
215°

Rel Humidity
96%

Bar Pressure
1008 millibars

Cum Precip
0.0mm

Total PAR
0.0mmol/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