Fishing Report
Barrel Spring Lake Fishing Report
Mercer, WI
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Modeled from live National Weather Service data as of Sep 5, 2026 at 7:53 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
46.264029, -90.079040
Est. water temp
75.5°F
v1 estimate from air temperature — not a sensor reading
Notes from anglers
Imported from GNIS. Nearest town: Mercer (Iron County, WI).
Today’s bite
Largemouth Bass fishing report
Best window today: 7 PM (Excellent · 100/100)
See the full forecast →Species on record
Suggest a species for this lake →Species detail
How to catch them at Barrel Spring Lake
Largemouth Bass feed most actively at Dawn and Dusk, when activity runs about 21% above the daily average across all four light windows.
Typical Fall depth: 5-15 ft
Largemouth Bass fishing report →- MuskellungeEstimated
Muskellunge feed most actively at Dusk, when activity runs about 50% above the daily average across all four light windows.
Typical Fall depth: 8-25 ft
Muskellunge fishing report →
Location
Barrel Spring Lake · 46.2640, -90.0790
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Barrel Spring Lake?
State surveys have confirmed Largemouth Bass in Barrel Spring Lake.
When's the best time to fish Barrel Spring Lake?
Largemouth Bass feed most actively at Dawn and Dusk, when activity runs about 21% above the daily average across all four light windows. Check today's bite forecast for Barrel Spring Lake to see the best window for current conditions.
Where is Barrel Spring Lake?
Barrel Spring Lake is near Mercer, WI, at 46.2640, -90.0790.
Plan your trip to Barrel Spring Lake
Get the hour-by-hour bite forecast and the best times to fish Barrel Spring Lake, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.