The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 4 come with LakeScope PRO. Full screen
Osoyoos Lake
Okanogan County, Washington · 5,730 acres (9 sq mi)
43°F water, level steady, calm this morning.
About Osoyoos Lake
Osoyoos Lake spreads over 5,730 acres in Okanogan County, Washington.
It stretches about 8.7 miles end to end with roughly 28 miles of shoreline. The water sits about 910 ft above sea level. Oroville is right by the lake.
- Size
- 5,730 acres (9 sq mi)
- Shoreline
- About 28 miles
- End to end
- About 8.7 miles
- Elevation
- About 910 ft
- Type
- Natural lake
- County
- Okanogan County
The lake from above
Best fishing times
Friday Good
- 6:30 am – 8:45 amsunrise · wind 3 mph
- 2:45 pm – 4:30 pm bestsunset, moon overhead · wind 6 mph
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 7 mph
- 3:15 pm – 5:00 pm bestsunset, moon overhead · wind 12 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Washington, largemouth bass, crappie, bluegill and sunfish and catfish are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 43°F on the surface right now, here is how each one should behave.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowCrappie
Cold. Tight schools near deep brush and bridges.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
- SlowCatfish
Cold. Slow, in the deepest holes. Cut bait works best.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
4 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
Steady over 7 days.
Latest reading .
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:04 am · sunset 4:18 pm · waxing crescent moon (lake time).
Towns and places to stay near Osoyoos Lake
- Orovilleon the shore
- Tonasketabout 17 mi south
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Osoyoos Lake
What fish are in Osoyoos Lake?
Lakes like Osoyoos Lake usually hold largemouth bass, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Osoyoos Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Osoyoos Lake?
5,730 acres, with about 28 miles of shoreline.
What town is near Osoyoos Lake?
Oroville is on the shore; Tonasket is about 17 miles south.
What is the water temperature at Osoyoos Lake today?
The surface was about 43°F on the latest clear reading. The page updates every day.
Osoyoos Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.