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Rating depth structure for largemouth bass.
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4-acre lake near Portales. The lake tops out around 12 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Here's the year, species by species, as the scoring engine sees it.
Oasis State Park Lake's chart carries 0.3 miles of bank. Nearly circular (index 1.3), so the story is the bottom, not the bank. All of it is shallow-zone water — under ~15 ft across the entire basin, so the food chain has the run of the place. Roosevelt County claims this one. Its nearest charted neighbour, Greene Acres Lake, is 14 mi to the northeast.
When the water first warms, rainbow trout slide up into 3 to 12 ft. There's no big seasonal slide here — summer means 3 to 12 ft, winter 2 to 12 ft. Start at Inlet. It's an inflow / creek mouth holding about 6 ft of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a dodger + spoon (deep troll) or a flutter spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Inlet (6 ft) | Inline spinner (silver), Small spoon |
| Summer | 3 to 12 ft | dawn & dusk | Inlet (6 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 3 to 12 ft | dawn & dusk | Main-lake point (8 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 2 to 12 ft | dawn | Break off the point (5 ft) | Jigging spoon, Tube jig (white) |
Spring channel catfish on Oasis State Park Lake hold shallow, usually 3 to 12 ft. Depth-wise the year is flat: 4 to 12 ft in summer, 4 to 12 ft once it turns cold. The chart's best answer is Inlet — inflow / creek mouth, 6 ft, prime for spring. Prime time lands in after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Inlet (6 ft) | |
| Summer | 4 to 12 ft | night & dusk | Deep basin (10 ft) | |
| Fall | 4 to 12 ft | dusk | Deep basin (10 ft) | |
| Winter | 4 to 12 ft | midday | Deep basin (10 ft) |
Spring largemouth bass on Oasis State Park Lake hold shallow, usually 2 to 10 ft. By summer they slide out to 4 to 12 ft, and by winter most fish are in 4 to 12 ft. The chart's best answer is Shoreline weed flat — weed flat, 3 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a texas-rigged 10" worm or a deep-diving crankbait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shoreline weed flat (3 ft) | Spinnerbait, Chatterbait |
| Summer | 4 to 12 ft | dawn & dusk | Break off the point (5 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 3 to 12 ft | midday & dawn | Main-lake point (8 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 4 to 12 ft | midday | Break off the point (5 ft) | Blade bait, Jigging spoon |
Early season bluegill use the shallows, holding in 1 to 6 ft. Summer is a 3 to 12 ft game here, winter a 4 to 12 ft one. The chart's best answer is Shoreline weed flat — weed flat, 3 ft, prime for spring. Best bite is early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shoreline weed flat (3 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 3 to 12 ft | dawn & dusk | Shoreline weed flat (3 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 4 to 12 ft | midday | Break off the point (5 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 4 to 12 ft | midday | Deep basin (10 ft) | Tiny spoon |
Structure-wise the chart holds 5 features, led in depth by Deep basin at roughly 10 ft.
Season dates, license requirements, and size and bag limits for New Mexico waters are set by the New Mexico Department of Game & Fish — and special regulations can apply to Oasis State Park Lake specifically, so confirm the current rules before you fish.
Check the official New Mexico fishing regulations →
Oasis State Park Lake is about 12 ft (4 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target rainbow trout, channel catfish, largemouth bass, bluegill on Oasis State Park Lake.
Inlet is the top-rated area: an inflow / creek mouth in about 6 ft of water that rates prime for rainbow trout in spring. The interactive chart above rates every spot for each species and season.
For rainbow trout, 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.
Fishing on Oasis State Park Lake is regulated by the New Mexico Department of Game & Fish. Check the official New Mexico regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Greene Acres Lake 14 mi · Ned Houk Ponds 21 mi · Sumner Lake 64 mi · Ute Lake 76 mi · Lea Lake 86 mi · Perch Lake 88 mi · Park Lake 89 mi · Canadian River (below Conchas Dam) 91 mi · Conchas Lake 92 mi · Santa Rosa Lake 93 mi · Lake Van 94 mi · Conoco Lake (Loco Lagoon) 103 mi
See how Oasis State Park Lake stacks up: best largemouth bass lakes in New Mexico · best bluegill lakes in New Mexico · best channel catfish lakes in New Mexico · best rainbow trout lakes in New Mexico
Browse all New Mexico fishing maps or see every water on DepthScout. 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.