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Fishing Report

Mystery Lake Fishing Report

Birnamwood, WI

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Modeled from live National Weather Service data as of Sep 5, 2026 at 4:49 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

44.938425, -89.282904

Est. water temp

74.4°F

v1 estimate from air temperature — not a sensor reading

Notes from anglers

Imported from GNIS. Nearest town: Birnamwood (Marathon County, WI).

Today’s bite

Black Crappie fishing report

Excellent · 85/100

Based on an estimated species for this un-surveyed lake.

Best window today: 6 AM (Excellent · 99/100)

See the full forecast →

Likely species (estimated)

Estimated — not a state survey

Data for Mystery Lake hasn't been reported by the state. We're estimating the likely fish from 8 nearby lakes with confirmed surveys. These are informed guesses, not confirmed catches — treat them as a starting point.

Suggest a species for this lake →

Species detail

How to catch them at Mystery Lake

Location

Mystery Lake · 44.9384, -89.2829

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in Mystery Lake?

Mystery Lake hasn't been surveyed by the state yet, but based on nearby confirmed lakes it likely holds Black Crappie, Bluegill, Largemouth Bass, Muskellunge, Northern Pike, Pumpkinseed, Walleye, and Yellow Perch. These are estimates, not confirmed catches.

When's the best time to fish Mystery 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 Mystery Lake to see the best window for current conditions.

Where is Mystery Lake?

Mystery Lake is near Birnamwood, WI, at 44.9384, -89.2829.

Plan your trip to Mystery Lake

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