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Fishing Grass Lake: what the data says
351-acre lake near Montmorency County. The lake tops out around 6 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. What follows comes from the same scoring engine that paints the spots above.
Largemouth Bass fishing at Grass Lake
Start shallow in spring: largemouth bass sit in 1 to 6 ft that time of year. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring largemouth bass. Best bite is 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 | 1 to 6 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 2 to 6 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 2 to 6 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 2 to 6 ft | midday | Blade bait, Jigging spoon |
Smallmouth Bass fishing at Grass Lake
Start shallow in spring: smallmouth bass sit in 2 to 6 ft that time of year. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. Main-lake point is the standout, a point at roughly 2 ft, rated prime for fall smallmouth bass. Plan around early morning and the evening in the warm months. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 6 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 2 to 6 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 2 to 6 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 2 to 6 ft | midday | Blade bait, Hair jig |
Bluegill fishing at Grass Lake
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. 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 | 2 to 6 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 2 to 6 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 2 to 6 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Crappie fishing at Grass Lake
Start shallow in spring: crappie sit in 2 to 6 ft that time of year. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. The spot to know is Deep basin, a deep basin in about 6 ft of water that rates prime for crappie in winter. Plan around early morning and the evening in the warm months. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 2 to 6 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 2 to 6 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 2 to 6 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Yellow Perch fishing at Grass Lake
Spring yellow perch on Grass Lake hold shallow, usually 2 to 6 ft. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 2 to 6 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 2 to 6 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 2 to 6 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Notable structure
- Deep basin: deep basin, around 6 ft
- Break off the point: drop-off, around 4 ft
- Secondary point: point, around 3 ft
- Main-lake point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Grass Lake?
Grass Lake is about 6 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 on Grass Lake.
Where is the best fishing spot on Grass Lake?
Shallow bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Grass Lake?
For largemouth bass, 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
Long Lake · Avalon Lake · Rush Lake · Rainy Lake · May, Lake · Nettie, 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
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