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Fishing Report

Copper Lake Fishing Report

Merrill, WI

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Modeled from live National Weather Service data as of Sep 1, 2026 at 4:59 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

45.325070, -89.613784

Est. water temp

80.1°F

v1 estimate from air temperature — not a sensor reading

Max depth

24 ft

Deepest measurement on record

Mean depth: 10 ft

Max depth: Stachelek et al. (2021), LAGOS-US DEPTH v1.0, Environmental Data Initiative (CC BY 4.0)

Notes from anglers

Imported from GNIS. Nearest town: Merrill (Lincoln County, WI).

Today’s bite

Largemouth Bass fishing report

Excellent · 83/100

Best window today: 4 AM (Excellent · 92/100)

See the full forecast →

Species on record

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Species detail

How to catch them at Copper Lake

Location

Copper Lake · 45.3251, -89.6138

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in Copper Lake?

State surveys have confirmed Largemouth Bass and Northern Pike in Copper Lake.

When's the best time to fish Copper Lake?

Black Crappie feed most actively at Dawn and Dusk, when activity runs about 16% above the daily average across all four light windows. Check today's bite forecast for Copper Lake to see the best window for current conditions.

Where is Copper Lake?

Copper Lake is near Merrill, WI, at 45.3251, -89.6138.

Plan your trip to Copper Lake

Get the hour-by-hour bite forecast and the best times to fish Copper Lake, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.