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Wisconsin

Ice fishing

No ice is ever certain. These are rules of thumb for clear, solid ice. White or slushy ice is about half as strong.

How thick?

Clear ice
Under 4 in.Stay off
4 in.Walking, one person
5–7 in.Snowmobile or ATV
8–12 in.Car or small pickup
12–15 in.Medium truck

Check with a spud bar or auger every few steps. Stay away from inlets, outlets, springs and pressure ridges. Carry ice picks and a rope.

When it freezes

Our estimate
NearIce onIce out
SuperiorNov 24Apr 22
HaywardNov 27Apr 19
Eagle RiverNov 27Apr 19
MinocquaNov 27Apr 18
WausauDec 2Apr 13
Green BayDec 5Apr 10
OshkoshDec 8Apr 7
MadisonDec 13Apr 1
MilwaukeeDec 13Apr 1
Lake GenevaDec 16Mar 30

Typical dates by latitude, not a forecast. Small, shallow lakes freeze first and big lakes last. Each lake's board is where people post ice reports.

Bring

Most game fish seasons close March 7, 2027. Panfish stay open on most lakes. Seasons →