Latest news, Sep 28, 2026: BumpySkies had an outage between around 2:15 and 2:45 Eastern today due to an error on my part; apologies if this affected your flight's forecasts. All BumpySkies services are running as usual now.

CPA853, SEA to HKG, departing 11:45 AM PDT, Sep 28

Turbulence forecast map for CPA853, SEA to HKG

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(Forecast data last collected at 2:00 PM PDT on Sep 28, 2026.)

  1. Takeoff from SEA at 11:45 AM PDT, Sep 28.
  2. 11:46 AM PDT: Calm skies for the next 5 minutes.
  3. 11:51 AM PDT: Light turbulence likely for the next 10 minutes.
  4. 12:01 PM PDT: Moderate turbulence likely for the next 1 minute.
  5. 12:02 PM PDT: Light turbulence likely for the next 25 minutes.
  6. 12:27 PM PDT: Moderate turbulence likely for the next 6 minutes.
  7. 12:33 PM PDT: Light turbulence likely for the next 6 minutes.
  8. 12:39 PM PDT: Moderate turbulence likely for the next 22 minutes.
  9. 1:01 PM PDT: Light turbulence likely for the next 9 minutes.
  10. 1:10 PM PDT: Calm skies for the next 1 hour and 3 minutes.
  11. 2:13 PM PDT: Light turbulence likely for the next 31 minutes.
  12. 2:44 PM PDT: Calm skies for the next 23 minutes.
  13. 3:07 PM PDT: Light turbulence likely for the next 13 minutes.
  14. 3:20 PM PDT: Calm skies for the next 1 hour and 41 minutes.
  15. 5:01 PM PDT: Light turbulence likely for the next 31 minutes.
  16. 5:32 PM PDT: Moderate turbulence likely for the next 7 minutes.
  17. 5:39 PM PDT: Light turbulence likely for the next 22 minutes.
  18. 6:01 PM PDT: Moderate turbulence likely for the next 1 hour.
  19. 7:01 PM PDT: Light turbulence likely for the next 39 minutes.
  20. 7:40 PM PDT: Moderate turbulence likely for the next 52 minutes.
  21. 8:32 PM PDT: Light turbulence likely for the next 4 minutes.
  22. 8:36 PM PDT: Moderate turbulence likely for the next 25 minutes.
  23. 9:01 PM PDT: Light turbulence likely for the next 4 minutes.
  24. 9:05 PM PDT: Moderate turbulence likely for the next 18 minutes.
  25. 9:23 PM PDT: Light turbulence likely for the next 38 minutes.
  26. 10:01 PM PDT: Calm skies for the next 14 minutes.
  27. 10:15 PM PDT: Light turbulence likely for the next 31 minutes.
  28. 10:46 PM PDT: Calm skies for the next 26 minutes.
  29. 11:12 PM PDT: Light turbulence likely for the next 59 minutes.
  30. 12:11 AM PDT: Calm skies for the rest of the flight.
  31. Landing at HKG at 12:46 AM PDT.

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