Lake depth chart
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2,061-acre lake near Lexington. The lake tops out around 30 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Species by species, here's what the data says the year looks like.
On the chart, Johnson Lake draws 2,140 acres inside 8.2 miles of shoreline. A shoreline index of 1.3 says round and simple: fish relate to depth changes here, not shoreline features. 49% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 3.1 mi, about 1.5 mi across. The water lies in Gosper County. For a second option, Darr lies 6 mi north.
Spring walleye on Johnson Lake hold shallow, usually 4 to 15 ft. They move out to 9 to 30 ft in summer and finish the year down in 9 to 30 ft. Put Break off the point first on the milk run — a drop-off near 15 ft that grades prime for fall. The feeding windows run the evening and early morning. The summer box starts with a crawler harness on bottom bouncer or a deep crankbait (trolled).
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Break off the point (15 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 9 to 30 ft chart-limited; documented 15 to 35 ft | dusk & dawn | Break off the point (15 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 9 to 30 ft chart-limited; documented 12 to 40 ft | dusk & night | Break off the point (15 ft) | Jigging rap, Jig + big minnow |
| Winter | 9 to 30 ft chart-limited; documented 20 to 40 ft | dusk & dawn | Deep basin (30 ft) | Jigging spoon + minnow head, Rattle bait |
Come spring, look for white bass tight to the bank in 2 to 12 ft. They move out to 8 to 25 ft in summer and finish the year down in 9 to 30 ft. If you only fish one area, make it Deep basin: a deep basin around 30 ft that scores prime in winter. Best bite is early morning and the evening. A slab spoon or a small topwater (schooling fish) is the honest summer answer here.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 12 ft | dawn & dusk | Main-lake point (1 ft) | Curly-tail jig (white), Small lipless crank |
| Summer | 8 to 25 ft | dawn & dusk | Break off the point (15 ft) | Slab spoon, Small topwater (schooling fish) |
| Fall | 6 to 25 ft | dawn & dusk | Main-lake point (1 ft) | Jigging spoon, Blade bait |
| Winter | 9 to 30 ft chart-limited; documented 15 to 40 ft | midday | Deep basin (30 ft) | Jigging spoon (deep), Blade bait |
Spring puts channel catfish in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 8 to 25 ft, wintering in 9 to 30 ft. Winter channel catfish concentrate at Deep basin, a prime-rated deep basin around 30 ft. Warm-month bites cluster around after dark and the evening.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | open water | |
| Summer | 8 to 25 ft | night & dusk | Shallow feeding flat (20 ft) | |
| Fall | 10 to 30 ft | dusk | Deep basin (30 ft) | |
| Winter | 9 to 30 ft chart-limited; documented 20 to 40 ft | midday | Deep basin (30 ft) |
In spring, crappie run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 10 to 25 ft, and winter fish settle into 9 to 30 ft. Deep basin is the standout, a deep basin at roughly 30 ft, rated prime for winter crappie. Time it for early morning and the evening. You won't need more than a jig trolled/spider-rigged or a small crankbait (trolled) most summer days.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (1 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Break off the point (15 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Break off the point (15 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 9 to 30 ft chart-limited; documented 15 to 35 ft | midday | Deep basin (30 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
The spring pattern is a shallow one: freshwater drum in 5 to 20 ft. Midsummer fish sit out in 8 to 30 ft before dropping to 9 to 30 ft for winter. The spot to know is Deep basin, a deep basin in about 30 ft of water that rates prime for freshwater drum in winter. Plan around the evening in the warm months. Summer baits: a jig + crawler combo or a small crankbait (slow) gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | midday & dawn | open water | Jig + curly tail (bounced), Small blade bait |
| Summer | 8 to 30 ft | dusk | Break off the point (15 ft) | Jig + crawler combo, Small crankbait (slow) |
| Fall | 9 to 30 ft chart-limited; documented 10 to 35 ft | midday | Deep basin (30 ft) | Blade bait (vertical), Jigging spoon |
| Winter | 9 to 30 ft chart-limited; documented 15 to 45 ft | midday | Deep basin (30 ft) | Jigging spoon (slow) |
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 10 to 25 ft. The spot to know is Shallow bay flat, a weed flat in about 1 ft of water that rates prime for bluegill in spring. Warm-month bites cluster around early morning and the evening. Throw a small sponge spider (fly) or a micro tube jig until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (1 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (1 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Break off the point (15 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Deep basin (30 ft) | Tungsten ice jig + plastic, Tiny spoon |
Johnson Lake also holds common carp (3 to 15 ft in summer), flathead catfish (8 to 30 ft in summer), sauger (10 to 30 ft in summer), smallmouth bass (10 to 30 ft in summer), white bass & hybrids (10 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 7 features, led in depth by Deep basin at roughly 30 ft.
Access data: Nebraska Game & Parks - Boat Ramps. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Nebraska waters are set by the Nebraska Game and Parks — and special regulations can apply to Johnson Lake specifically, so confirm the current rules before you fish.
Check the official Nebraska fishing regulations →
Johnson Lake is about 30 ft (9 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target walleye, white bass, channel catfish, crappie, freshwater drum, bluegill, common carp, flathead catfish, sauger, smallmouth bass, white bass & hybrids on Johnson Lake.
Break off the point is the top-rated area: a drop-off in about 15 ft of water that rates prime for walleye in fall. Open the map above to see every rated 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 Johnson Lake is regulated by the Nebraska Game and Parks. Check the official Nebraska regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Darr 6 mi · Cozad 12 mi · Dogwood WMA 12 mi · Willow Island 17 mi · East Gothenburg WMA 19 mi · Lake Helen 23 mi · Blue Hole West Lake 24 mi · Sandy Channel SRA 25 mi · Medicine Creek 28 mi · Union Pacific SRA 31 mi · Brady Lake 34 mi · Cottonmill Lake 37 mi
See how Johnson Lake stacks up: best smallmouth bass lakes in Nebraska · best walleye lakes in Nebraska · best white bass lakes in Nebraska · best crappie lakes in Nebraska
Browse all Nebraska fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. 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.