Wynoochee Lake

Name: Wynoochee Lake (Washington) water level
Creator: U.S. Geological Survey

near Grisdale, WA · Washington · USGS gauge

Water level · NGVD29

730.21FT

Gauge elevation · no % full published

7 days −3.08 ft30 days −10.43 ftvs last year −10.46 ft

Reading for Oct 25, 2026, 18:45 UTC · page refreshed Oct 25, 20:24 UTC
Source: U.S. Geological Survey (Water Data for the Nation)

Worth going today?Today

Windy or wet – use caution

Light wind, 94% chance of rain

Wind7 to 10 mph

Rain94%

Temp56°F

Level730.2 ft

TodayRain · 56°F
ESE 7 to 10 mph · rain 94%

TonightRain · 45°F
E 3 to 9 mph · rain 81%

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.

Field notes

As of Oct 25, 2026, Wynoochee Lake stood at 730.21 (NGVD29) ft.

Over the past 7 days the lake has been falling (−3.08 ft), and it is −10.43 ft over 30 days.

Compared with a year ago (740.67 ft, same time of day), the lake is 10.46 ft lower.

Readings come from the USGS gauge “WYNOOCHEE LAKE NEAR GRISDALE, 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 / station	WYNOOCHEE LAKE NEAR GRISDALE, WA
Elevation datum	ft (NGVD29)
Gauge location	47.3853, -123.6057

Nearby lakes

Lake Quinault13 mi W184.27 ft−0.08 ft Lake Tapps67 mi E539.14 ft−0.23 ft Sammamish Lake71 mi E25.94 ft−0.01 ft Mud Mountain Lake80 mi E915.76 ft−0.36 ft Howard A Hanson Reservoir86 mi E1,122.17 ft−7.31 ft

Common questions

Is Wynoochee Lake rising or falling?

Over the last 7 days it changed −3.08 ft and over 30 days −10.43 ft.

How full is Wynoochee 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.