← Lake Guide48.08° N · 120.35° W

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
55.5°F
Barometric
29.74″
↓falling 24h(-0.19)
Wind
6mph
from NE
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. 1
    sepTue

    Stable window

    hi 70° · lo 54°

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

    ── light e wind · settled

  2. 2
    sepWed

    Tougher window

    hi 57° · lo 43°

    Pick the calmest hour and stay flexible. Conditions push hard today; bite likely shrinks. Plan around the calmest gap.

    ── strong sw wind · bite likely shrinks

  3. 3
    sepThu

    Better early

    hi 53° · lo 44°

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

    ── front rolling in · se wind setting up

§ 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