Each forecast (PWG, PWE, GFS, SPIRE, UKMO & ECMWF) is updated twice a day, every 12 hours.

You can see the update times for your GMT time zone at https://help.predictwind.com/en/collections/1680701-faq-s#forecast-update-times

  • HRRR updates every hour. 00, 06, 12, & 18z runs have a full length forecast (48h), the other runs are 18h, The forecast we have is assembled from the most recent run plus the last 30h from the prior full run. This means the cadence is not exactly 60 minutes as the longer run comes out later. Updates at the same time every hour.

  • NAM every 12h 0300 and 1500 UTC

  • AROME every 12h 0420 & 1620 UTC

The next forecast update time is displayed in the PredictWind Website and PredictWind App. Details can be viewed in real time, and are written below the forecast location name.

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