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Fishing Big Green Lake: what the data says
7,346-acre flowage near Green Lake. Wisconsin’s deepest inland lake. lake trout water. The lake tops out around 236 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Rainbow Trout fishing at Big Green Lake
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. They move out to 8 to 30 ft in summer and finish the year down in 8 to 40 ft. The spot to know is Shoreline point, a point in about 11.20288635129675 ft of water that rates prime for rainbow trout in spring. In summer the feeding windows fall in early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Jigging spoon, Tube jig (white) |
Walleye fishing at Big Green Lake
In spring, walleye run shallow here, mostly 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. If you only fish one area, make it Offshore hump: a offshore hump around 30.182855647476387 ft that scores prime in summer. Plan around the evening and early morning in the warm months. A crawler harness on bottom bouncer or a deep crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Smallmouth Bass fishing at Big Green Lake
Spring smallmouth bass on Big Green Lake hold shallow, usually 3 to 12 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 45 ft. Rock reef is the standout, a rock pile at roughly 6.625121828923037 ft, rated prime for spring smallmouth bass. In summer the feeding windows fall in early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Blade bait, Hair jig |
Largemouth Bass fishing at Big Green Lake
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 15 to 35 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Blade bait, Jigging spoon |
White Bass & Hybrids fishing at Big Green Lake
Spring white bass & hybrids on Big Green Lake hold shallow, usually 3 to 15 ft. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 20 to 40 ft. The spot to know is Shoreline point, a point in about 11.20288635129675 ft of water that rates prime for white bass & hybrids in fall. Best bite is early morning and the evening. A jigging spoon or a topwater (when schooling) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | midday & dawn | Rooster tail / inline spinner, Curly-tail jig (white/chartreuse) |
| Summer | 10 to 30 ft | dawn & dusk | Jigging spoon, Topwater (when schooling) |
| Fall | 8 to 25 ft | midday & dawn | Small blade bait, Jigging spoon |
| Winter | 20 to 40 ft | midday | Jigging spoon, Blade bait (vertical) |
Yellow Perch fishing at Big Green Lake
Spring yellow perch on Big Green Lake hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Big Green Lake also holds crappie (10 to 25 ft in summer), bluegill (4 to 15 ft in summer), lake trout (50 to 120 ft in summer), brown trout (25 to 60 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 201 ft
- Break off the point: drop-off, around 106 ft
- Sharp break: drop-off, around 85.38785828192248 ft
- Main-lake point: point, around 59 ft
- Secondary point: point, around 59 ft
- Offshore hump: offshore hump, around 30.182855647476387 ft
- Shoreline point: point, around 11.20288635129675 ft
- Rock reef: rock pile, around 6.625121828923037 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
- Weed flat: weed flat, around 5.106032278610375 ft
- Rock reef: rock pile, around 3.9089674988064944 ft
- Rock reef: rock pile, around 2.3090598809915437 ft
- Weed flat: weed flat, around 2 ft
Common questions
How deep is Big Green Lake?
Big Green Lake is about 236 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Big Green Lake?
Anglers target largemouth bass, smallmouth bass, walleye, crappie, bluegill, rainbow trout, white bass & hybrids, yellow perch, lake trout, brown trout on Big Green Lake.
Where is the best fishing spot on Big Green Lake?
Offshore hump is the top-rated area: a offshore hump in about 30.182855647476387 ft of water that rates prime for walleye in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Big Green Lake?
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Lake Puckaway · Lake Poygan · Lake Butte des Morts · Lake Winnebago · Wisconsin River (Dells) · Lake Wisconsin
See how Big Green Lake stacks up: best largemouth bass lakes in Wisconsin · best smallmouth bass lakes in Wisconsin · best walleye lakes in Wisconsin · best crappie lakes in Wisconsin
Browse all Wisconsin fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.