Sherman Reservoir fishing: Smallmouth Bass, Flathead Catfish, White Crappie

Target species: Smallmouth Bass, Flathead Catfish, White Crappie
Boat: 3 ramps and launches on file for this water.
Start here: Launch at Marina Bay, 2 lanes.

The reservoir

Sherman Reservoir covers 2,598 acres in Nebraska, across Sherman County. It is a reservoir: 93.3% of it is 50 feet deep or less; the deepest point measured is at least 63 feet (19.2 m). Our records hold 4 species for this water.

Depth and bottom

Deepest measured point: at least 63 ft (19.2 m). That is the deepest contour line: the bottom goes deeper. 93.3% of the water is 50 feet or shallower. We hold 58 depth contour lines for this water.

Aerial imagery: USDA NAIP 2022
USDA Farm Service Agency, NAIP 2022 aerial imagery (USGS The National Map) · Public domain
  • 0–5 ft: 3.3% of the water
  • 5–10 ft: 17% of the water
  • 10–15 ft: 15.6% of the water
  • 15–20 ft: 12.2% of the water
  • 20–25 ft: 10% of the water
  • 25–30 ft: 8.6% of the water
  • 30–35 ft: 8.2% of the water
  • 35–40 ft: 6.3% of the water
  • 40–45 ft: 6.1% of the water
  • 45–50 ft: 6% of the water
  • 50–55 ft: 4.4% of the water
  • 55–60 ft: 2.2% of the water
  • 60–63 ft: 0.1% of the water

3 target fish, led by Smallmouth Bass

  • Smallmouth Bass — Feeding water: 60–75°F.
  • Flathead Catfish — Feeding water: 70–85°F.
  • White Crappie — Feeding water: 65–75°F.

Also recorded here: Common Carp.

Water and conditions

Water clarity runs 1.5–3.7 feet on our readings, averaging 2.7 feet, from 41 readings. Our water temperature readings average 72°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.5. These readings span 2017–2024.

3 ramps and launches on this water

On this water we hold 3 trailer ramps.

  • Marina Bay — 2 lanes, lit for night fishing, restrooms. Nebraska Game and Parks Commission.
  • Thunder Bay — 2 lanes, lit for night fishing, restrooms. Nebraska Game and Parks Commission.
  • Trail #10 — 1 lane, lit for night fishing, restrooms. Nebraska Game and Parks Commission.

Fee and opening hours are blank for all 3 places in this list: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.

What is hard here

Only 3 public ramps are on file, so the launch decides where you fish.

Where this data comes from

  • Nebraska Game and Parks — Nebraska Game and Parks: depth contours: class A, a survey of the bottom.
  • EPA NLA — EPA National Lakes Assessment: class B, a depth figure measured and published by an agency, without a bottom map.
  • Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.