WashingtonNatural lake, 2,190 acres, Whitman County
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Sailing
CheckingReading the forecast
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Outlook. Monday: SSW wind 2 to 5 kt, gusts to 10 kt, high near 52°F, 83% chance of rain. Tuesday: SW wind 7 to 9 kt, gusts to 16 kt, high near 54°F.
7-day wind forecastLoads when you scroll here
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Last hour of NOAA MRMS radar, 1 km resolution. Map data © OpenStreetMap contributors, OpenMapTiles, OpenFreeMap.
SatelliteLoading NASA SWOT passes
000.00ft above sea level
Measured from orbit by NASA's SWOT satellite each time it passes over the lake, usually every 10 to 21 days, to within about half a foot. Elevation is above sea level (EGM2008), not a gauge reading at a dock.
Background reading: Rock Lake on Wikipedia
Set in Whitman County, Washington, Rock Lake is a 2,190-acre natural lake. At its deepest it reaches roughly 374 ft.
We have not matched Rock Lake to a public level gauge, so the water level on this page comes from NASA's SWOT satellite, which measures the lake surface from orbit on each pass. Wind, gusts and rain come from the National Weather Service forecast grid that covers the water.
Mid-sized lakes like this one tend to have shifty, gusty wind near shore and steadier pressure in the middle, which is why gust spread matters as much as average speed.
The go or no-go calls above are a starting point, not a guarantee. Read how we score conditions, and always check local rules and posted warnings before you launch.
The National Weather Service forecast for the lake from October 26: Monday: SSW wind 2 to 5 kt, gusts to 10 kt, high near 52°F, 83% chance of rain. The panel at the top of this page refreshes the current wind, gusts and direction when you open it and turns them into a call for sailing, paddling, power boating and fishing.
We have not matched Rock Lake to a public level gauge, so the water level card on this page uses NASA's SWOT satellite, which measures the lake surface every time it passes overhead, usually every 10 to 21 days. The card shows the latest pass, its date and the change since the pass before.
Rock Lake covers about 2,190 acres (3.4 square miles) of surface water.
The deepest point of Rock Lake is roughly 374 ft.
If Rock is blown out, these are the closest alternatives. Tap through for their conditions.