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
Featured Event
Current Conditions on the St. Louis River Estuary
Barker's Island
Apr 26, 2026 7:15 PM
This may not be current data
Water Quality
Water Temperature
Missing Data
Missing Data
Specific Conductivity
Missing Data
Dissolved Oxygen
Missing Data
Dissolved Oxygen
Missing Data
Salinity
Missing Data
Depth
Missing Data
Missing Data
pH
Missing Data
Turbidity
Missing Data
Chorophyl Fluoresence
Missing Data
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Barker's Island
Nov 07, 2024 6:00 AM
This may not be current data
Nutrients
Orthophospate
0.015 mg/L as P
Ammonium
0.102 mg/L as N
Nitrite
Missing Data
Nitrate
Missing Data
Nitrite + Nitrate
0.434 mg/L as N
Chlorophyll
8.69 ug/L
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Pokegama Bay
Apr 27, 2026 5:00 AM
Weather
Air Temp
34.7° F
1.5° C
Wind Speed
3.4 mps (6.7 mph)
Max Wind Speed
7.5 mps (15.7 mph)
Wind Dir
152°
Rel Humidity
100% 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