FIN34, SEA to HEL, departing 6:50 PM PDT, May 26

Turbulence forecast map for FIN34, SEA to HEL

Report an issue

(Forecast data last collected at 2:00 AM PDT on May 27, 2026.)

  1. Takeoff from SEA at 6:50 PM PDT, May 26.
  2. 6:51 PM PDT: Calm skies for the next 2 minutes.
  3. 6:53 PM PDT: Light turbulence likely for the next 24 minutes.
  4. 7:17 PM PDT: Moderate turbulence likely for the next 1 minute.
  5. 7:18 PM PDT: Light turbulence likely for the next 7 minutes.
  6. 7:25 PM PDT: Moderate turbulence likely for the next 4 minutes.
  7. 7:29 PM PDT: Light turbulence likely for the next 37 minutes.
  8. 8:06 PM PDT: Calm skies for the next 17 minutes.
  9. 8:23 PM PDT: Light turbulence likely for the next 39 minutes.
  10. 9:02 PM PDT: Calm skies for the next 1 hour and 22 minutes.
  11. 10:24 PM PDT: Light turbulence likely for the next 28 minutes.
  12. 10:52 PM PDT: Calm skies for the next 1 hour and 6 minutes.
  13. 11:58 PM PDT: Light turbulence likely for the next 12 minutes.
  14. 12:10 AM PDT: Calm skies for the next 19 minutes.
  15. 12:29 AM PDT: Light turbulence likely for the next 2 hours and 34 minutes.
  16. 3:03 AM PDT: Calm skies for the next 14 minutes.
  17. 3:17 AM PDT: Light turbulence likely for the next 37 minutes.
  18. 3:54 AM PDT: Calm skies for the rest of the flight.
  19. Landing at HEL at 4:17 AM PDT.
Nelly

Nelly says: Bumpy skies can be scary, but they're not dangerous!

See our turbulence safety page for more information, including links to other resources for nervous fliers.

📣 To stay informed about updates to BumpySkies, subscribe to the free newsletter:

You can also browse past newsletter issues.

BumpySkies is a free service that depends on your donations to stay online.

If you find this service helpful, please consider supporting BumpySkies on Patreon.

For best results, try it shortly before departure.

(Or, see a random upcoming flight's forecast.)