Located on the St. Louis River Estuary in Superior, Wisconsin
A Gathering Place for Learning and Play
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!
Happening at the Lake Superior Reserve
Building Blocks for Sharing Science
New lineup of virtual trainings now available!
Registration and more about Building Blocks for Sharing Science here
Featured Event
Current Conditions on the St. Louis River Estuary
Barker's Island
Dec 02, 2024 10:00 AM
This may not be current data
Water Quality
Water Temperature
32° F
0.8° C
Specific Conductivity
0.27 mS/cm
Dissolved Oxygen
96.1%
Dissolved Oxygen
13.7 mg/L
Salinity
0.1 PSU
Depth
Missing Data
Missing Data
pH
8.1 standard units
Turbidity
12 FNU/NTU
Chorophyl Fluoresence
19.3 ug/L
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
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)
Pokegama Bay
Dec 07, 2024 3:00 AM
Weather
Air Temp
24.6° F
-4.1° C
Wind Speed
0.2 mps (0 mph)
Max Wind Speed
0.7 mps (0 mph)
Wind Dir
34°
Rel Humidity
89% saturated
Bar Pressure
1011 millibars
Cum Precip
0.0mm
Total PAR
0.0mmol/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