Lake Profile
Onion Lake
Grand Marais, MN
48.010706, -90.287648
Est. water temp
64.9°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Location
Onion Lake · 48.0107, -90.2876
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Onion Lake?
No fish species have been recorded for Onion Lake yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Onion Lake?
Dawn and dusk are typically the most productive windows on most lakes. Check today's bite forecast for Onion Lake to see the best window for current conditions.
Where is Onion Lake?
Onion Lake is near Grand Marais, MN, at 48.0107, -90.2876.
Plan your trip to Onion Lake
Get the hour-by-hour bite forecast and the best times to fish, built from live weather and solunar data for this exact spot.