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Fishing Report

Twin Island Lake Fishing Report

Boulder Junction, WI

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Modeled from live National Weather Service data as of Sep 5, 2026 at 1:11 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.

46.224752, -89.592403

Est. water temp

73.3°F

v1 estimate from air temperature — not a sensor reading

Max depth

15 ft

Deepest measurement on record

Mean depth: 8 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: Boulder Junction (Vilas County, WI).

Today’s bite

Largemouth Bass fishing report

Excellent · 84/100

Best window today: 6 AM (Excellent · 97/100)

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Species on record

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Species detail

How to catch them at Twin Island Lake

Location

Twin Island Lake · 46.2248, -89.5924

Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors

Lake outline: WI DNR 24K Hydrography Lakes and Open Water

Nearby

Other lakes nearby

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FAQ

Common questions

What fish are in Twin Island Lake?

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

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

Where is Twin Island Lake?

Twin Island Lake is near Boulder Junction, WI, at 46.2248, -89.5924.

Plan your trip to Twin Island Lake

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