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Natural lake

Green Lake

Green Lake County, Wisconsin

Wisconsin's deepest inland lake at 236 ft, moderately clear and cold at depth. It's known for smallmouth bass, lake trout and cisco.

12345N2 mi
Air temp in Green Lake, WI Loading current temperature…
Red pins match the numbered boat launches below. Map data © OpenStreetMap contributors.
Surface area7,920 acres
Max depth236 ft
Shoreline—
Boat motorsCheck local ordinances

Species

Fishery rating out of 5.

Smallmouth Bass●●●●○

Common. Rocky points and drop-offs in clear water.

Trout●●●●○

Common. Lake trout in deep, cold water. Downriggers in summer.

Catfish●●●○○

Cut bait and nightcrawlers on flats and river mouths in the evening.

Walleye●●○○○

Points, flats and river mouths at low light. Jigs and live bait early, crankbaits in summer.

Northern Pike●●○○○

Weed edges and bays. Spoons, spinnerbaits and tip-ups through the ice.

Panfish●●○○○

Bluegill, crappie and perch in weeds and brush. Great through the ice.

When they bite

Month-by-month activity for each target species.

JFMAMJJASOND
Smallmouth Bass
Trout
Catfish
Walleye
SlowFairGoodHot

Boat launches

6 launch sites. Fees and hours change, so confirm before you go.

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

SpeciesMin sizeDaily limit
Walleye
Walleye, sauger and hybrids; May 2, 2026 - Mar 7, 2027
15 in3 / day
Largemouth/Smallmouth Bass
May 2, 2026 - Mar 7, 2027 (catch and release otherwise)
14 in5 / day
Northern Pike
May 2, 2026 - Mar 7, 2027
26 in2 / day
Muskellunge
May 2 - Dec 31, 2026; open water only
40 in1 / day
Panfish
Open all year
See Wisconsin rules book ↗10 / day
Channel Catfish
24 if a flathead is included; open all year
See Wisconsin rules book ↗25 / day
Flathead Catfish
May 2 - Sept 30, 2026; flathead 36 in to 42 in may not be kept
30 in1 / day

Other species in this lake: look up the limits at Wisconsin DNR ↗

Verified October 2026. Rules change, so confirm current limits with the Wisconsin DNR before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Search more bait shops near Green Lake ↗

Local tips

Angler reports

Water temp, what's biting, and anything else other anglers should know about Green Lake.

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View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches; blue pins are bait shops nearby.