Wynoochee Lake Near Grisdale
RESERVOIR REPORT
September 29 2023767 ft
-0.07% today100% of Normal • Normal
Water lake or reservoir water surface elevation above ngvd 1929, ft levels at Wynoochee Lake Near Grisdale are currently 767 ft, about 100% of normal. The average for this time of year is approximately 764.14ft. Maximum recorded Lake or reservoir water surface elevation above NGVD 1929, ft since record keeping began in 2007 was 2013-06-02 when levels reached 799.99 ft. Lowest recorded Lake or reservoir water surface elevation above NGVD 1929, ft was 2016-10-02 when levels receded to 735.92 ft. View historical levels.
Wynoochee Lake is a reservoir located near Grisdale, Washington. The lake was created in 1961 by the construction of the Wynoochee Dam on the Wynoochee River. The dam was built to provide hydroelectric power, flood control, and irrigation water. The lake has a capacity of 120,000 acre-feet and provides water to the Chehalis River Basin for agriculture and municipal uses. The hydrology of the lake is influenced by both surface flow and snowpack. The lake is surrounded by the Olympic National Forest and is a popular destination for recreational activities such as fishing, boating, hiking, and camping. The lake is also home to several species of fish, including rainbow trout, cutthroat trout, and kokanee salmon.

Geolocation | -123.606, 47.385 |
Elevation | 708.35 ft |
Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | -0.07% |
Percent of Normal | 100% |
Minimum |
735.92 ft
2016-10-02 |
Maximum |
799.99 ft
2013-06-02 |
Average | 764 ft |
AREA SURFACE FLOWS
Streamgauge | Streamflow | Stage |
---|---|---|
QUEETS RIVER NEAR CLEARWATER | 1,410 cfs | 8.0 ft |
QUINAULT RIVER AT QUINAULT LAKE | 2,400 cfs | 4.3 ft |
ELWHA RIVER ABOVE LAKE MILLS NR PORT ANGELES | 725 cfs | 539.3 ft |
BIG QUILCENE RIVER BELOW DIVERSION NR QUILCENE | 95 cfs | 1.8 ft |
DUCKABUSH RIVER NEAR BRINNON | 555 cfs | 1.8 ft |
HOH RIVER AT US HIGHWAY 101 NEAR FORKS | 1,590 cfs | 2.9 ft |
NF SKOKOMISH R BL STAIRCASE RPDS NR HOODSPORT | 417 cfs | 3.8 ft |