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Lake Sammamish State Park — Boating Conditions
Tides, water temp & weather • King County, WA
Boating Conditions at Lake Sammamish State Park
Current wind, air and water temperature, tide times and a 5-day forecast for Lake Sammamish State Park on Sammamish River - Lake Sammamish in King County, Washington. Check conditions before you launch.
Tide Times
Nearest tide station: Seattle, WA · ~14 mi away
SatLow 7:28 AM (-1.3 ft)High 3:52 PM (10.1 ft)Low 8:09 PM (8.5 ft)
SunHigh 12:52 AM (10.6 ft)Low 8:29 AM (-1.9 ft)High 4:44 PM (10.8 ft)Low 9:31 PM (8.2 ft)
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.