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Washington

Lake Chelan

Lake Chelan is a deep glacial Washington lake covering about 32,677 acres in Chelan County; cool-water conditions keep bass fishing seasonal and selective.

Surface
32,677acres
Primary species
Largemouth
§ 01Today on the water · Lake Chelanvia Open-Meteo · 10:45 local
Air temp
46.9°F
Barometric
30.14″
↑rising 24h(+0.18)
Wind
2mph
from NE
Moon
Waning Crescent
day 26.4 · 10% lit

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

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 8
    sepTue

    Stable window

    hi 66° · lo 46°

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

    ── light s wind · settled

  2. 9
    sepWed

    Watch the wind

    hi 73° · lo 54°

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

    ── direction shift overnight

  3. 10
    sepThu

    Stable window

    hi 67° · lo 40°

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

    ── light w wind · settled

§ 04Field notesWashington

Where it is

Lake Chelan sits in Chelan County, Washington, covering about 32,677 acres. Largemouth here move with the season rather than holding one zone.

Seasonal pattern

Spring. As the shallows warm first, fish move up to stage and spawn, with sheltered, sun-warmed water coming on earliest.

Summer. Once the surface heats, fish slide toward deeper edges, shade, and main-body structure, and low light fishes best.

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

Winter. Largemouth go deep and sluggish in cold water, so a slow, methodical approach is the safer bet.

Key structure

  • Submerged wood, brush, and laydown cover
  • Shade lines and overhead cover in the warm months
  • Weed edges and the clean lines along them
  • Flats sitting next to deeper water

Let the season pick the water before any one spot does.

Forage

Largemouth follow the bait on Lake Chelan; the schools decide where the fish set up.

Access

You will find public access around Lake Chelan; ramp and launch conditions move with the season, so verify them locally.

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:01530367). 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

Last revised · Back to Lake Guide