Updated

Chester Morse Lake
Reservoir
lake in King County, Washington, USA
Interactive map not available
Current water conditions
Live data from NOAA buoy TCNW1 (34.7 mi away), as of Aug 21, 7:00 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at Chester Morse Lake









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Frequently asked questions
- Where is Chester Morse Lake?
- Chester Morse Lake is a reservoir in Washington.
- What is the water temperature at Chester Morse Lake?
- As of August 21, 2026, the water temperature at Chester Morse Lake in Washington is 56°F (13°C), measured by NOAA buoy TCNW1, 34.7 miles away.
- Can you swim at Chester Morse Lake?
- There is no fixed answer for Chester Morse Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Chester Morse Lake in Washington. Check current water conditions before you go, and follow posted signs and local guidance.
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Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
Location & Contact
Washington
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