Lake Winnebago

Lake Winnebago

Size
131,987ac
Boat Launch
Yes
Carry-in Launch
Yes
Toilet
No
Boat Dock
No
Species in Lake Winnebago
Bluegill
Bluegill
Perch
Perch
Walleye
Walleye
Crappie
Crappie
Yellow Bass
Yellow Bass
Largemouth bass
Largemouth bass
Northern pike
Northern pike
Rock bass
Rock bass
White bass
White bass
Muskellunge
Muskellunge
Sauger
Sauger
Sturgeon
Sturgeon
Pumpkinseed
Pumpkinseed
Smallmouth bass
Smallmouth bass
Channel catfish
Channel catfish

Overview

This water boasts a large population of walleye, mostly in the 12-to 23-inch range. Northern pike, largemouth bass, perch and bluegill are present in good numbers. Winnebago is known throughout the country for its lake sturgeon spearing season. 137,708 acres

Lake Winnebago Map

Fishing Regulations

Special Fishing regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Special Waterbody Regulations

  • Bag limits are for fish caught in all lakes in the WINNEBAGO CHAIN including CINCOE LAKE, LAKE BUTTE DES MORTS, LAKE POYGAN, LAKE WINNECONNE, PARTRIDGE CROP LAKE, PARTRIDGE LAKE Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted. Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler. Open all year for all species except muskellunge, northern pike, flathead catfish and lake sturgeon.

Special Species Regulations

  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Paddlefish: Closed. No fishing allowed.
  • Smallmouth bass: See Largemouth and Smallmouth Bass.
  • Largemouth bass: See Largemouth and Smallmouth Bass.
  • Largemouth bass and smallmouth bass: Open all year: The minimum length limit is 14” and the daily bag limit is 5
  • Northern pike: May 3, 2025 to March 1, 2026: The minimum length limit is 26” and the daily bag limit is 2
  • Muskellunge and hybrids: May 3, 2025 to December 31, 2025: The minimum length limit is 50” and the daily bag limit is 1
  • Round goby: Open all year: The daily bag limit is 0. One may be killed and transported to a WDNR Office
  • Ruffe: Open all year: The daily bag limit is 0. One may be killed and transported to a WDNR Office
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Trout and salmon: See Trout regulations layer.
  • White perch: Open all year: The daily bag limit is 0. One may be killed and transported to a WDNR Office
  • Bluegill: See Panfish.
  • Bowfin: See Rough Fish.
  • Channel catfish: Open all year: No minimum length limit and the daily bag limit is 25 in total, but only 24 if one flathead catfish is included
  • Crappies: See Panfish.
  • Flathead catfish: May 3, 2025 to September 30, 2025: The minimum length is 30, but flathead catfish from 36” to 42” may not be kept.The daily bag limit is 1
  • Longnose gar: See Rough Fish.
  • Sauger and hybrids: Open all year: The daily bag limit is 1
  • Shortnose gar: See Rough Fish.
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Catfish: Open all year: See specific species regulations in this group
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Walleye, Saugers, and Hybrids: Open all year: No minimum length limit and the daily bag is 3, only one of which may be a sauger or hybrid
  • Lake sturgeon: Closed. No fishing allowed.
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25

Features

Lake Winnebago, the largest inland lake in Wisconsin, allows navigation through the Fox River inlet to lakes Butte des Morts, Winneconne and Poygan. The Lake Winnebago system leads to the inlet of the Wolf River. Lake Winnebago’s self-sustaining lake sturgeon population is rated as one of the finest in North America. The traditional winter spearing season in 2004 produced a sturgeon weighing in at 188 lbs! Ice fishing Lake Winnebago for walleye, perch, white bass and sturgeon is popular with anglers throughout the nation. Check with local fishing guides and marinas regarding pressure cracks or areas of weak ice around currents. Careful navigation close to shore and near islands is urged. Shallow unmarked reefs and sand bars can be hazardous. Rapidly changing weather should also be observed. Special fishing regulations apply to Lake Winnebago and connecting waters. Consult the Wisconsin fishing regulations for details.

Forage

Trout perch, emerald shiner, young-of-the-year freshwater drum (sheepshead) and carp are the most abundant forage. Lake fly larvae (red worms) provide an important food source for sturgeon. The bottom-dwelling red worms hatch into lake flies in mid-May. Gizzard shad can be significant although they tend to cyclically die-off and reemerge. Crayfish are also present.

Seasonal Movements

Studies indicate that the older, larger walleye move upstream to spawn in the marshes along the Wolf River, while young walleye tend to spawn in the Fox River and along the west shore of Lake Winnebago. The spawning run usually lasts 7 to 10 days and generally occurs between April 8 and 18. Most fish are caught after spawning as they return downstream. The white bass run usually lasts from early-to-mid May. The largest concentrations of fish are found in the Fox and Wolf Rivers, up to New London.
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Fish Species

Bluegill
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
129.1291
0Statewide Range849.0614

Lake Winnebago Bluegill abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
20249
202310
20219
20179
20169
Channel catfish
fish
17-23 in
Length Range
20 in
Length Range
2023
Surveyed
Abundance (CPUE)
Unknown
2023
Surveyed
Trapnet
Catch Method
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2023
May
Crappie
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
12.012
0Statewide Range84.8403

Lake Winnebago Crappie abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
Largemouth bass
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
31.5706
0Statewide Range111.1888

Lake Winnebago Largemouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
Muskellunge
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
No Survey Data
Northern pike
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Below Avg.
2024
Surveyed
Electro
Catch Method
3.1571
0Statewide Range16.72075

Lake Winnebago Northern pike abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
Trophy Potential
This lake has a history of supporting trophy sized northern-pike based on past surveys.
Survey YearLargest Fish (in)
201841
201640
Perch
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
High
2024
Surveyed
Trapnet
Catch Method
0.3681
0Statewide Range0.7271

Lake Winnebago Perch abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
Apr
2024
May
Trophy Potential
This lake has a history of supporting trophy sized perch based on past surveys.
Survey YearLargest Fish (in)
201612
Pumpkinseed
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Below Avg.
2024
Surveyed
Electro
Catch Method
6.006
0Statewide Range84.67115

Lake Winnebago Pumpkinseed abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
Rock bass
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
9.009
0Statewide Range62.50905

Lake Winnebago Rock bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
Apr
2024
May
Sauger
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
No Survey Data
Smallmouth bass
fish
7-8 in
Length Range
8 in
Length Range
2023
Surveyed
Abundance (CPUE)
Low
2023
Surveyed
Electro
Catch Method
0.9833
0Statewide Range80.5292

Lake Winnebago Smallmouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2023
May
Sturgeon
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
No Survey Data
Walleye
fish
2-10 in
Length Range
6 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
17.3639
0Statewide Range75.60845

Lake Winnebago Walleye abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2024
May
White bass
fish
7-8 in
Length Range
8 in
Length Range
2023
Surveyed
Abundance (CPUE)
Above Avg.
2023
Surveyed
Electro
Catch Method
2.9499
0Statewide Range8.28085

Lake Winnebago White bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2019
Apr
2023
May
Yellow Bass
fish
7-8 in
Length Range
8 in
Length Range
2023
Surveyed
Abundance (CPUE)
Unknown
2023
Surveyed
NA
Catch Method
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2023
May
2023
May