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Fishing Grass Lake: what the data says
40-acre lake near Gogebic County. The lake tops out around 25 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.
Yellow Perch fishing at Grass Lake
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 8 to 25 ft in summer and finish the year down in 8 to 25 ft. The spot to know is Deep basin, a deep basin in about 24 ft of water that rates prime for yellow perch in fall. 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 | 8 to 25 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 8 to 25 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 8 to 25 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Smallmouth Bass fishing at Grass Lake
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 8 to 25 ft. Break off the point is the standout, a drop-off at roughly 7 ft, rated prime for winter smallmouth bass. Best bite is 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 | 8 to 25 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 8 to 25 ft | midday | Blade bait, Hair jig |
Largemouth Bass fishing at Grass 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 8 to 25 ft. If you only fish one area, make it Main-lake point: a point around 6 ft that scores prime in fall. In summer the feeding windows fall in early morning and the evening. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
| 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 | 8 to 25 ft | midday | Blade bait, Jigging spoon |
Rock Bass fishing at Grass Lake
Spring rock bass on Grass Lake hold shallow, usually 2 to 10 ft. They move out to 5 to 20 ft in summer and finish the year down in 8 to 25 ft. The spot to know is Main-lake point, a point in about 6 ft of water that rates prime for rock bass in summer. Plan around the evening in the warm months. Summer baits: a ned rig (small) or a marabou jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | 1/16 oz jig + grub, Small inline spinner |
| Summer | 5 to 20 ft | dusk | Ned rig (small), Marabou jig |
| Fall | 8 to 22 ft | midday | Small tube jig, Inline spinner |
| Winter | 8 to 25 ft | midday | Tungsten jig + plastic, Small spoon + spike |
Crappie fishing at Grass Lake
In spring, crappie run shallow here, mostly 2 to 8 ft. By summer they slide out to 10 to 25 ft, and by winter most fish are in 8 to 25 ft. The spot to know is Deep basin, a deep basin in about 24 ft of water that rates prime for crappie in winter. Best bite is early morning and the evening. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 8 to 25 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at Grass Lake
Spring bluegill on Grass Lake hold shallow, usually 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 10 to 25 ft. The spot to know is Deep basin, a deep basin in about 24 ft of water that rates prime for bluegill in winter. Plan around early morning and the evening in the warm months. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Grass Lake also holds pumpkinseed (2 to 10 ft in summer), brown bullhead (3 to 12 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 24 ft
- Break off the point: drop-off, around 7 ft
- Main-lake point: point, around 6 ft
- Secondary point: point, around 2 ft
Common questions
How deep is Grass Lake?
Grass Lake is about 25 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 Grass Lake?
Anglers target largemouth bass, smallmouth bass, crappie, bluegill, yellow perch, rock bass, pumpkinseed, brown bullhead on Grass Lake. This isn't a survey of the lake — none is on record for it — but an informed estimate from the species listed for the nearest surveyed lakes in the region, filtered to this lake's depth and habitat.
Where is the best fishing spot on Grass Lake?
Deep basin is the top-rated area: a deep basin in about 24 ft of water that rates prime for yellow perch in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Grass Lake?
For yellow perch, the summer bite is best in 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
Dinner Lake · Hoist Lake · Lac Vieux Desert Lake · Anderson Lake · Wilson Lake · Crystal Lake
See how Grass Lake stacks up: best largemouth bass lakes in Michigan · best smallmouth bass lakes in Michigan · best crappie lakes in Michigan · best bluegill lakes in Michigan
Browse all Michigan fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.