WashingtonNatural lake, 4,893 acres, King County
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25.96ft
Steady this week
Sailing
CheckingReading the forecast
Kayak and SUP
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Power boating
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Fishing
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Outlook. Monday: ENE wind 1 to 2 kt, gusts to 3 kt, high near 55°F. Tuesday: SSW wind 0 to 8 kt, gusts to 13 kt, high near 55°F, 73% chance of rain.
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.
25.96ft NGVD29
0.00 ft in 7 days0.26 ft below the October normal
Reading from Oct 26, 2026. Shaded band: range of October averages on record; dashed line is the typical level.
Lake Sammamish was at 25.96 ft on October 26, holding steady over the past week (0.00 ft). That is below normal for October: the typical October level is 26.22 ft, so the lake is 0.26 ft below its usual mark.
Background reading: Lake Sammamish on Wikipedia
Lake Sammamish is a 4,893-acre natural lake in King County, Washington. The surface sits about 30 ft above sea level and the deepest point is roughly 115 ft down.
Water level on this page comes from USGS gauge 12122000 (Sammamish Lake near Redmond, WA), about 3 mi from the middle of the lake. 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: ENE wind 1 to 2 kt, gusts to 3 kt, high near 55°F. 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.
Lake Sammamish was at 25.96 ft on October 26, holding steady over the past week (0.00 ft). That is below normal for October: the typical October level is 26.22 ft, so the lake is 0.26 ft below its usual mark.
Lake Sammamish covers about 4,893 acres (7.6 square miles) of surface water.
The deepest point of Lake Sammamish is roughly 115 ft.
If Sammamish is blown out, these are the closest alternatives. Tap through for their conditions.