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

River Rovers a free nature playground for children ages 3 to 7

Featured Event

Current Conditions on the St. Louis River Estuary

A water quality station monitoring a body of water

Barker's Island

Jul 25, 2024 4:15 AM

This may not be current data


Water Quality

Water Temperature
73.4° F
23.4° C

Specific Conductivity
0.16 mS/cm

Dissolved Oxygen
78.9%

Dissolved Oxygen
6.7 mg/L

Salinity
0.1 PSU

Depth
3.28 ft
1.47 m

pH
7.5 standard units

Turbidity
22 FNU/NTU

Chorophyl Fluoresence
Missing Data

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

Nov 08, 2023 2:45 PM

This may not be current data


Nutrients

Orthophospate
0.021 mg/L as P

Ammonium
0.121 mg/L as N

Nitrite
0.013 mg/L as N

Nitrate
0.385 mg/L as N

Nitrite + Nitrate
0.398 mg/L as N

Chlorophyll
3.03 ug/L

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

Jul 25, 2024 11:00 AM

Weather

Air Temp
71.4° F

21.9° C

Wind Speed
1.2 mps (2.2 mph)

Max Wind Speed
2.4 mps (4.5 mph)

Wind Dir
258°

Rel Humidity
62% saturated

Bar Pressure
1024 millibars

Cum Precip
0.0mm

Total PAR
1278.0mmol/m2/15mins

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