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Fishing Report

McDermott Lake Fishing Report

Mercer, WI

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Modeled from live National Weather Service data as of Aug 29, 2026 at 2:56 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

46.002993, -90.160816

Est. water temp

68.4°F

v1 estimate from air temperature — not a sensor reading

Max depth

19 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: Mercer (Iron County, WI).

Today’s bite

Largemouth Bass fishing report

Excellent · 86/100

Best window today: 1 PM (Excellent · 95/100)

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Species on record

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Species detail

How to catch them at McDermott Lake

Location

McDermott Lake · 46.0030, -90.1608

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in McDermott Lake?

State surveys have confirmed Largemouth Bass, Muskellunge, Northern Pike, and Walleye in McDermott Lake.

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

Where is McDermott Lake?

McDermott Lake is near Mercer, WI, at 46.0030, -90.1608.

Plan your trip to McDermott Lake

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