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

A pile of wooden toy blocks with various black icon images associated with learning and sharing ideas

2023 Building Blocks for Sharing Science

More Tools for Your Toolbox

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

Sep 27, 2023 12:15 AM

This may not be current data


Water Quality

Water Temperature
62.6 F
17.7 C

Specific Conductivity
0.23 mS/cm

Dissolved Oxygen
87.2%

Dissolved Oxygen
8.3mg/l

Salinity
0.1 PSU

Depth
36.09 ft
11.80 m

pH
7.7 standard units

Turbidity
16 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

Sep 27, 2023 2:00 AM

Weather

Air Temp
59.7° F

15.4° C

Wind Speed
2.1mps (4.7mph)

Max Wind Speed
5.1mps (11.4mph)

Wind Dir
85°

Rel Humidity
96%

Bar Pressure
1023 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