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Fishing Report

Deacon Thomas Lake Fishing Report

Arena, WI

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Modeled from live National Weather Service data as of Oct 20, 2026 at 10:20 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

43.203428, -89.862807

Est. water temp

64.7°F

v1 estimate from air temperature — not a sensor reading

Max depth

12 ft

Deepest measurement on record

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: Arena (Sauk County, WI).

Today’s bite

Largemouth Bass fishing report

Good · 70/100

Best window today: 6 PM (Excellent · 80/100)

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Species on record

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More Wisconsin fishing by species

Every species with enough Wisconsin waters on fish-agency record to have its own page here.

Species detail

How to catch them at Deacon Thomas Lake

Location

Deacon Thomas Lake · 43.2034, -89.8628

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in Deacon Thomas Lake?

State surveys have confirmed Largemouth Bass, Northern Pike, and Walleye in Deacon Thomas Lake.

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

Where is Deacon Thomas Lake?

Deacon Thomas Lake is near Arena, WI, at 43.2034, -89.8628.

Plan your trip to Deacon Thomas Lake

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