Inaccurate forecast issues

  • I have used this program with amazing success over the last few years, however, this summer the app has been so far off of reality that I wonder who is making decisions with the app now.

    Have you changed your algorithm?
    Did you lose a contract with someone and no longer get correct info from buoys?

    When this app is calling for 1 foot seas, I should not expect to end up in 5 foot chop with whitecaps. 4 out of our last 6 trips that called for 1 and 2 foot seas ended up with 4 foot or higher chop with whitecaps.

    This app has become so unreliable that it’s not worth the space it takes up on my iPad.

  • Moderator Mariners - Seafarers Sailor

    Thank you for your post, however please note:

    Windy does not create any forecast data but instead only visualises forecast and actual data received from various third party providers.

  • Sailor Moderator

    Windy shows data from 2 wave models: WAM from ECMWF and WAVEWATCH3 from NOAA. Do you check both of them?
    These models have a medium resolution. So some local conditions of wind may give a worse sea state.
    Depending where is your boating zone, Windy offers higher resolution Wind models which give you a better idea of expected waves height locally.
    At the end, you must always crosscheck with official weather advisories at sea when you plan your trip.

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