States

Osoyoos Lake

near Oroville, WA · Washington · USGS gauge
909910911912913
Grey bar: recent range 910.9–911.1 ft.
Water level · NGVD29
911.00FT
Gauge elevation · no % full published
7 days +0.08 ft30 days −0.06 ftvs last year +0.40 ft
Reading for Oct 25, 2026, 18:30 UTC · page refreshed Oct 25, 20:24 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?Today
Looks good
Light wind, dry
Wind2 mph
Rain4%
Temp58°F
Level911.0 ft
TodayMostly Cloudy · 58°F
N 2 mph · rain 4%
TonightMostly Cloudy · 38°F
N 3 mph · rain 14%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

Last 30 days of daily means.

910.5911.0911.5ftSep 24Oct 2Oct 9Oct 16Oct 24
910.5911.0911.5ftSep 24Oct 9Oct 24

Field notes

On Oct 25, 2026, Osoyoos Lake was at 911.00 (NGVD29) ft.

Over the past 7 days the lake has been rising (+0.08 ft), and it is −0.06 ft over 30 days.

Compared with a year ago (910.60 ft, same time of day), the lake is 0.40 ft higher.

Readings come from the USGS gauge “OSOYOOS LAKE NEAR OROVILLE, WA”. USGS data are provisional and may be revised. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationOSOYOOS LAKE NEAR OROVILLE, WA
Elevation datumft (NGVD29)
Gauge location48.9566, -119.4395

Nearby lakes

Conconully Lake31 mi SW2,298.22 ft−0.05 ftConconully Reservoir32 mi SW2,250.49 ft+0.61 ftConconcully Reservoir32 mi SW2,250.54 ft+0.60 ftFranklin D. Roosevelt Lake72 mi Sno reading—Lake Chelan82 mi S1,094.20 ft−0.95 ft

Common questions

Is Osoyoos Lake rising or falling?

Over the last 7 days it changed +0.08 ft and over 30 days −0.06 ft.

How full is Osoyoos Lake?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.