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Fishing Report

Lake Helen Fishing Report

Mercer, WI

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Modeled from live National Weather Service data as of Aug 29, 2026 at 4:10 PM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

46.251566, -89.895162

Est. water temp

70.8°F

v1 estimate from air temperature — not a sensor reading

Max depth

52 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: Mercer (Vilas County, WI).

Today’s bite

Largemouth Bass fishing report

Excellent · 88/100

Best window today: 7 PM (Excellent · 94/100)

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Species on record

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Species detail

How to catch them at Lake Helen

Location

Lake Helen · 46.2516, -89.8952

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in Lake Helen?

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

When's the best time to fish Lake Helen?

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 Lake Helen to see the best window for current conditions.

Where is Lake Helen?

Lake Helen is near Mercer, WI, at 46.2516, -89.8952.

Plan your trip to Lake Helen

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