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Lake Winnebago fishing conditions

Wisconsin · East Central Wisconsin · 137,700 acres · max 21 ft

Shallow, windy and full of walleye, white bass and sturgeon

Sample dataUpdated October 19, 2026 — 2:04 AM
8.1out of 10

Current conditions

Very Good

Fishing score 81/100

How this score is calculated

Water temperature18.7 / 20

54°F and falling (-2°F / 3 days) against a 45–70°F active band.

Barometric pressure5.3 / 15

30.28 inHg and rising (+0.15 / 24 h).

Wind10.0 / 10

10 mph out of the W. Ideal chop on wind-blown structure.

Water clarity10.0 / 10

2 ft of visibility. Good working clarity for both reaction and finesse baits.

Water level9.7 / 10

+0.3 ft from normal pool and falling (-0.5 ft / 7 days).

Moon & solunar5.2 / 10

56% illumination. Quarter moon — weaker feeding periods, rely on light change.

Seasonal pattern10.0 / 10

Fall pattern is fully established, with light flow on a current-driven fishery.

Sky & rain12.0 / 15

97% cloud, 43°F air, 0.4 in of rain in 24 h.

What should I do today?

The single highest-percentage pattern for the conditions right now.

TargetWalleye
Depth11–17 ft
LocationGravel bars, rock reefs, break lines and river mouths
TechniqueJig and minnow / bottom bouncer with a crawler harness
Lure1/4 oz jig, 4 in ringworm
ColorGold / firetiger in stained water
RetrieveDrag slowly with the wind, short hops
Best window5:56 AM – 8:41 AM
WhyWater has dropped 2°F in three days, so fish are sliding back to the first deeper break, rising post-front pressure tightens fish to cover and slows the bite, heavy cloud extends the low-light bite well past sunrise, a 10 mph W wind is stacking bait on the wind-blown banks.

Backup pattern

Vertical spoon under a bait ball for white bass — Enormous spring run up the Fox and Wolf rivers.

Right now

Current conditions

Water temp

54°F

▼ -2°F / 3 days

Air temp

43°F

97% cloud cover

Wind

10 mph

Out of the W

Pressure

30.28"

▲ Rising pressure — clearing behind a front

Water level

+0.3 ft

▼ -0.5 ft / 7 days

Clarity

2 ft

Light flow

Rain (24 h)

0.39"

Runoff likely staining feeder creeks

Moon

56%

First Quarter · solunar 12/100

Sunrise

6:21 AM

Low-light window opens 25 min earlier

Sunset

4:55 PM

Evening window runs the last 2 hours

Season

Fall

Pattern driving today's plan

Best window

5:56 AM

Through 8:41 AM

Timing

Today's fishing windows

12 AM6 AM12 PM6 PM11 PM
  • Solunar minor 212:05 AM – 1:05 AM
  • Solunar major 25:35 AM – 7:35 AM
  • Morning prime window5:56 AM – 8:41 AM
  • Sunrise6:21 AM
  • Solunar minor 112:05 PM – 1:05 PM
  • Evening window2:55 PM – 5:30 PM
  • Sunset4:55 PM
  • Solunar major 15:35 PM – 7:35 PM

Structure

Lake structure and depth zones

Today: 11–17 ft — Walleye0 ft10 ft20 ft30 ft40 ftShoreline / bankShallow flatDrop-offOffshore humpLedgeMain channelSecondary point
Typical structure profile for Lake Winnebago: mud flats and reefs, the fox river mouth, rock reefs off calumet and asylum point, shallow gravel bars. Average depth 15 ft, maximum 21 ft.
  • Mud flats and reefs
  • The Fox River mouth
  • Rock reefs off Calumet and Asylum Point
  • Shallow gravel bars
  • Wolf River inflow

Substrate

Bottom composition and why it matters

  • Mud 36%

    Warms fastest in late winter and holds wintering bait, but goes dead in the summer heat.

  • Sand 16%

    Clean bottom for bait schools and sight-feeding fish, but little cover — look for the edge where sand meets something else.

  • Gravel 14%

    Primary spawning substrate. Fish stack on gravel transitions when water hits the 58–66°F band.

  • Rock 12%

    Holds heat in spring and crayfish year-round — the first place smallmouth and staging bass set up.

  • Clay 12%

    Holds hard bottom in stained water and dumps the most colour after rain. Crankbait banks.

  • Vegetation 8%

    Oxygen, shade and ambush cover. The outside grass edge is the highest-percentage line on most lakes.

  • Timber 1%

    Vertical cover fish use to change depth without leaving structure — key on standing timber during frontal swings.

  • Brush / artificial 1%

    Man-made brush piles and docks concentrate crappie and bass, especially where they sit on a depth change.

Depth

Depth guide for today

Depth bands for today — adjusted for the fall pattern, current water temperature, cloud cover and wind.
SpeciesDepth todayActivityWhere they are here
Walleye11–17 ftHighTrolling crawler harnesses and crankbaits over the mud in 12–18 ft is the summer system; the Wolf River run in spring is famous.
White Bass5–17 ftModerateEnormous spring run up the Fox and Wolf rivers.
Yellow Perch14–17 ftHighOver the reefs and mud in 10–18 ft.
Catfish11–17 ftModerateChannel cats in the river mouths and along the reefs.

Targets

Target species at this water

Walleye

Trolling crawler harnesses and crankbaits over the mud in 12–18 ft is the summer system; the Wolf River run in spring is famous.

Active temp
45–70°F
Structure
Gravel bars, rock reefs, break lines and river mouths
Technique
Jig and minnow / bottom bouncer with a crawler harness
Bait
Leeches, nightcrawlers, fathead minnows
Lure
1/4 oz jig, 4 in ringworm (3"–5")
Color
Gold / firetiger in stained water
Retrieve
Drag slowly with the wind, short hops
Best time
Last hour of light through two hours after dark

Spawns on rock and current at 42–50°F, spreads over mid-depth flats through summer, and packs back onto sharp breaks as water cools under 55°F.

White Bass

Enormous spring run up the Fox and Wolf rivers.

Active temp
55–78°F
Structure
River arms in spring, open-water bait balls the rest of the year
Technique
Casting slabs into surfacing schools
Bait
Small live shad
Lure
3/4 oz slab spoon (2"–3")
Color
White / chartreuse
Retrieve
Rip and drop
Best time
Dawn and the last hour of light

Runs the rivers at 54–60°F, then chases shad in open water; look for birds working in fall.

Yellow Perch

Over the reefs and mud in 10–18 ft.

Active temp
45–68°F
Structure
Sand and gravel flats next to deeper basin water
Technique
Small jig with a minnow head
Bait
Minnow heads, perch eyes where legal
Lure
1/8 oz jig (1.5"–2.5")
Color
Gold / chartreuse
Retrieve
Short hops on the bottom
Best time
Mid-morning

Schools tight on clean bottom; the school moves, so stay mobile.

Catfish

Channel cats in the river mouths and along the reefs.

Active temp
60–85°F
Structure
River channels, holes below points, flats adjacent to deep water
Technique
Anchored cut bait / drifting flats
Bait
Cut shad, skipjack, chicken liver
Lure
Circle hook 6/0–8/0 on a Santee rig (Palm-size bait chunks)
Color
n/a — scent driven
Retrieve
Static or 0.5–0.8 mph controlled drift
Best time
Sunset to midnight; all day when water is stained

Pushes shallow to spawn in rock and bank holes at 70–78°F, then feeds on channel edges at night through summer and gorges on shad in the fall.

Patterns

Season-by-season patterns

Winter

33–34°F

Ice fishing for walleye and perch, plus the February sturgeon spearing season on clear ice.

Spring

42–60°F

The run: walleye and white bass push up the Wolf and Fox rivers by the hundreds of thousands.

Summer

70–75°F

Open-water trolling over the mud with crawler harnesses; the bite is wind-driven.

Fall

45–64°F

Walleye pull onto the reefs; casting jigs and jerkbaits on the rock at dusk produces the biggest fish.

Outlook

7-day fishing forecast

DayScoreWaterWindPressureLevelClarityBest speciesTechniqueBest window
Today81Very Good54°F10 mph W30.28"+0.3 ft2 ftWalleyeJig and minnow / bottom bouncer with a crawler harness5:56 AM – 8:41 AM
Tue92Excellent55°F5 mph S30.07"-0.5 ft2.5 ftWalleyeJig and minnow / bottom bouncer with a crawler harness5:58 AM – 8:43 AM
Wed88Excellent55°F16 mph SW29.74"-0.3 ft1.6 ftWalleyeJig and minnow / bottom bouncer with a crawler harness5:59 AM – 8:44 AM
Thu90Excellent56°F21 mph SW30.23"+0.6 ft2.8 ftWalleyeJig and minnow / bottom bouncer with a crawler harness6:00 AM – 8:45 AM
Fri92Excellent57°F6 mph E29.89"+0.3 ft3.1 ftWalleyeJig and minnow / bottom bouncer with a crawler harness6:02 AM – 8:47 AM
Sat98Excellent56°F13 mph S29.83"-1 ft2.4 ftWalleyeJig and minnow / bottom bouncer with a crawler harness6:03 AM – 8:48 AM
Sun95Excellent57°F7 mph SE29.82"+0.5 ft2 ftWalleyeJig and minnow / bottom bouncer with a crawler harness6:04 AM – 8:49 AM

The water

About Lake Winnebago

Winnebago is Wisconsin's largest inland lake and is shallow enough — 21 ft at its deepest — that wind stirs the whole water column. It holds a huge walleye population, an enormous white bass run, and the most famous lake sturgeon spearing fishery in the country.

Surface area
137,700 acres
Max depth
21 ft
Average depth
15 ft
Elevation
746 ft
Typical clarity
2.5 ft
Annual level swing
3 ft
Coordinates
44.000, -88.420
Region
East Central Wisconsin

Local knowledge

Expert notes

  • Wind creates the bite here. A steady 10–15 mph wind mudlines a shoreline and walleye move into that stained edge in 6–10 ft — dead calm days are the hardest of the year.
  • During the summer troll, keep harnesses 6–12 in off bottom, not on it. In this soft mud, dragging bottom just collects debris.

Logistics

Access, ramps and boating

boat ramp

Fond du Lac / Lakeside Park

South-end access with many lanes.

boat ramp

Oshkosh (Fox River) ramps

Northwest access to the river mouth.

shore

Wolf River landings

Spring bank fishing for walleye and white bass.

Rules

Regulations

  • Wisconsin fishing license required.
  • Walleye: Winnebago system rules differ from statewide limits — verify the current size and bag.
  • Sturgeon spearing is by lottery tag only.
  • Shallow water plus wind equals dangerous conditions; small boats should stay near a ramp.

Always verify current regulations with the relevant state wildlife agency before fishing. Wisconsin Department of Natural Resources

Transparency

Data sources

Where this data comes from

Conditions are modelled from each water's documented climate, structure and seasonal patterns. Modules marked “Live data integration pending” are not yet pulling from their API, so those values are clearly labelled as sample data rather than presented as real-time readings.

  • Weather API

    Pending

    NOAA / National Weather Service — Air temperature, wind, cloud cover, rainfall and barometric pressure with a 7-day forecast.

  • Water Level & Flow API

    Pending

    USGS Water Services — Reservoir stage, discharge and 7-day level trend from the nearest gauge.

  • Water Temperature

    Pending

    USGS / NOAA buoys — Surface water temperature and its multi-day trend.

  • Tide & Current API

    Pending

    NOAA CO-OPS — Tide predictions, current direction and speed for coastal zones.

  • Moon & Solunar

    Live

    Computed on-site — Moon phase, illumination and solunar major/minor periods are calculated from date and coordinates.

  • Water Clarity

    Pending

    Satellite imagery + angler reports — Visibility estimates by lake arm, refined by submitted fishing reports.

  • Fishing Regulations

    Pending

    State wildlife agencies — License, size and creel rules, linked to the official agency page for verification.

  • Map Data

    Pending

    Bathymetry + access point database — Depth zones, structure locations and boat ramps for the lake infographic.

Keep reading

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