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Fishing Willisam Lake: what the data says
40-acre lake near Ontario. The lake tops out around 100 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Walleye fishing at Willisam Lake
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 20 to 40 ft. The spot to know is Main-lake point, a point in about 14 ft of water that rates prime for walleye in fall. In summer the feeding windows fall in the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| 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 |
Northern Pike fishing at Willisam Lake
Spring northern pike on Willisam Lake hold shallow, usually 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for northern pike in spring. Plan around early morning and the evening in the warm months. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Yellow Perch fishing at Willisam Lake
In spring, yellow perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are 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. Best bite is early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| 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) |
Smallmouth Bass fishing at Willisam Lake
Spring smallmouth bass on Willisam Lake hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 20 to 45 ft. If you only fish one area, make it Main-lake point: a point around 14 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| 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 |
Lake Trout fishing at Willisam Lake
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Summer pushes them deeper, 30 to 100 ft, and winter fish settle into 20 to 80 ft. The spot to know is Deep basin, a deep basin in about 96 ft of water that rates prime for lake trout in summer. In summer the feeding windows fall in early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 30 to 100 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Lake Whitefish fishing at Willisam Lake
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Summer pushes them deeper, 40 to 90 ft, and winter fish settle into 25 to 70 ft. The spot to know is Deep basin, a deep basin in about 96 ft of water that rates prime for lake whitefish in summer. In summer the feeding windows fall in early morning. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 96 ft
- Break off the point: drop-off, around 50 ft
- Back-bay flat: weed flat, around 32 ft
- Secondary point: point, around 18 ft
- Main-lake point: point, around 14 ft
- Shallow bay flat: weed flat, around 6 ft
Common questions
How deep is Willisam Lake?
Willisam Lake is about 100 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Willisam Lake?
Anglers target smallmouth bass, walleye, northern pike, yellow perch, lake trout, lake whitefish on Willisam Lake.
Where is the best fishing spot on Willisam Lake?
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for northern pike in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Willisam Lake?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Radenhurst Lake · Black Lake · Portage Lake · Armstrong Lake · Boundary Lake · Woodside Lake
See how Willisam Lake stacks up: best smallmouth bass lakes in Ontario · best walleye lakes in Ontario · best northern pike lakes in Ontario · best yellow perch lakes in Ontario
Browse all Ontario fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.