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Oregon

Lake Bonneville

Inside Hood River County, Oregon, Lake Bonneville is a 19,395-acre largemouth lake where the productive zones rotate through the year.

Surface
19,395acres
Primary species
Largemouth
§ 01Today on the water · Lake Bonnevillevia Open-Meteo · 00:15 local
Air temp
87.6°F
Barometric
29.73″
↓falling 24h(-0.22)
Wind
6mph
from ESE
Moon
Waning Gibbous
day 19.4 · 77% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 31
    augMon

    Stable window

    hi 88° · lo 54°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light e wind · settled

  2. 1
    sepTue

    Watch the wind

    hi 76° · lo 59°

    Lean into wind-fed shorelines, all day. Wind drives bait position today; pick the shoreline taking it.

    ── stiff nw wind · direction shift overnight

  3. 2
    sepWed

    Better early

    hi 69° · lo 55°

    Pre-dawn through 9am. Get on the water before the front; the bite likely shrinks once precip starts.

    ── front rolling in · nw wind setting up

§ 04Field notesOregon

Where it is

Lake Bonneville sits in Hood River County, Oregon, covering about 19,395 acres. Cover, depth, and weather drive the day's lanes more than the shoreline.

Seasonal pattern

Spring. Warming water pulls largemouth toward shallow, protected areas where they stage and spawn; the quickest-warming pockets lead.

Summer. Heat pushes fish off the shallows toward depth and shade; work the cooler ends of the day.

Fall. As water cools, forage and bass return toward shallower water; movement is wide, so covering water pays.

Winter. Cold water settles fish deep and slow; patience and a subtle presentation are the more dependable choice.

Key structure

  • Creek and cove mouths that funnel fish and bait
  • Weed edges and the clean lines along them
  • Inside turns where a bank changes angle
  • Submerged wood, brush, and laydown cover

The calendar decides which of these is worth time on a given day.

Forage

On Lake Bonneville, largemouth track baitfish and panfish movements; cover, current, and season set the productive water.

Access

Access around Lake Bonneville is generally public; verify current conditions, ramps, and water levels before a trip.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:01159124). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

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