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426,902-acre section. Upper Green Bay with Little and Big Bay de Noc out of Escanaba: trophy walleye water and some of the best smallmouth fishing in the country. The lake tops out around 129 ft. The depth chart is built from real NOAA hydrographic survey soundings, 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.
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 Offshore hump, an offshore hump in about 28 ft of water that rates prime for walleye in summer. Warm-month bites cluster around the evening and early morning. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Rock reef (6 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Offshore hump (28 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Sharp break (36 ft) | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Offshore hump (28 ft) | Jigging spoon + minnow head, Rattle bait |
Spring smallmouth bass on Lake Michigan - Green Bay North and Bays de Noc hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 20 to 45 ft. The chart's best answer is Rock reef — rock pile, 6 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a drop shot (goby/minnow) or a ned rig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Rock reef (6 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Offshore hump (28 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Rock reef (19 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Sharp break (36 ft) | Blade bait, Hair jig |
Spring northern pike on Lake Michigan - Green Bay North and Bays de Noc hold shallow, usually 2 to 8 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. The chart's best answer is Feeding flat — feeding flat, 7 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a bucktail or a weedless spoon over cabbage.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Feeding flat (7 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Sharp break (20 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Feeding flat (14 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Feeding flat (14 ft) | Tip-ups, Large jigging spoon |
Spring puts yellow perch in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 10 to 30 ft, wintering in 15 to 35 ft. Summer yellow perch concentrate at Sharp break, a prime-rated drop-off around 20 ft. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Feeding flat (10 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Sharp break (20 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Sharp break (20 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Offshore hump (28 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Spring muskellunge on Lake Michigan - Green Bay North and Bays de Noc hold shallow, usually 3 to 12 ft. They move out to 8 to 25 ft in summer and finish the year down in 15 to 35 ft. Put Sharp break first on the milk run — a drop-off near 20 ft that grades prime for fall. The feeding windows run the evening and early morning. The summer box starts with a double-10 bucktail or a topwater (walk-the-dog / creeper).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Feeding flat (10 ft) | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 8 to 25 ft | dusk & dawn | Offshore hump (18 ft) | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 8 to 30 ft | midday & dusk | Sharp break (20 ft) | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 15 to 35 ft | midday | Sharp break (20 ft) | Large rubber, crawled slow |
Spring puts lake whitefish in skinny water — 15 to 45 ft is the zone. Warm water sends them out to 40 to 90 ft; cold water stacks them in 25 to 70 ft. Rock reef is the standout, a rock pile at roughly 19 ft, rated prime for fall lake whitefish. Plan around early morning in the warm months. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Rock reef (19 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Offshore hump (40 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Rock reef (19 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Offshore hump (28 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Lake Michigan - Green Bay North and Bays de Noc also holds rock bass (5 to 20 ft in summer). Pick any of them on the map above for rated spots and bait picks.
75 pieces of structure are mapped here — Deepest basin, around 122 ft, is the deepest of them.
Access data: Michigan DNR — Michigan Boating Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Michigan waters are set by the Michigan DNR — and special regulations can apply to Lake Michigan - Green Bay North and Bays de Noc specifically, so confirm the current rules before you fish.
Check the official Michigan fishing regulations →
Lake Michigan - Green Bay North and Bays de Noc is about 129 ft (39 m) deep at its deepest point. The depth chart here comes from real NOAA hydrographic surveys, so the contours reflect measured depths.
Anglers target walleye, smallmouth bass, northern pike, yellow perch, muskellunge, lake whitefish, rock bass on Lake Michigan - Green Bay North and Bays de Noc.
Offshore hump is the top-rated area: an offshore hump in about 28 ft of water that rates prime for walleye in summer. The interactive chart above rates every spot for each species and season.
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.
Fishing on Lake Michigan - Green Bay North and Bays de Noc is regulated by the Michigan DNR. Check the official Michigan regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
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Browse all Michigan fishing maps or see every water on DepthScout. Bathymetry credit: NOAA hydrographic surveys. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.