Wynoochee Lake Water Level
Washington · updated daily from the U.S. Geological Survey
755.54 ft
Wynoochee Lake is current reading available and falling (-2.33 ft in the last 7 days).
Change since yesterday: -0.29 ft
Reading as of 2026-08-15
Where Wynoochee Lake sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
-0.29 ft
7-day change
-2.33 ft
30-day change
-11.29 ft
1-year change
— ft
Last 30 days
Last 12 months
Wynoochee Lake records and averages
| Current level | 755.54 ft |
|---|---|
| Record high | 785.43 ft (2026-04-25) |
| Record low | 755.54 ft (2026-08-15) |
| Average of all readings | 774.67 ft |
| Data span | 0.3 years (121 readings) |
Frequently asked questions
Is Wynoochee Lake full right now?
As of 2026-08-15, Wynoochee Lake sits at 755.54 ft, which is current reading available.Over the past 30 days the level has fallen 11.29 ft.
What is the water level at Wynoochee Lake today?
The most recent reading is 755.54 ft (2026-08-15), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Wynoochee Lake has ever been?
The highest level in our records is 785.43 ft on 2026-04-25. The lowest is 755.54 ft on 2026-08-15. Our record covers about 0.3 years of readings.
Why is Wynoochee Lake low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Wynoochee Lake has fallen 11.29 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Wynoochee Lake changed over the past year?
Year-over-year comparison is not available for this lake yet. The full-history chart above covers 0.3 years, with a record high of 785.43 ft and a record low of 755.54 ft.
Nearby lakes in Washington
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Washington lake levels.