

(Game wind = Zezo wind ) ⍯ (Grib winds = Windy.com)

Currently, shortly after the start of the eNordstream race, I'm seeing huge discrepancies between the game wind (which matches Zezo expectation) and the expected wind displayed in Wind.com (GFS model) and a grib that I downloaded from VLM (file: gfs_NOAA-2021031206.grb).
In the grib, I'm looking at 10m wind map with a resolution of 0.5 x 0.5 and 3h step.
The difference is really quite large, 18.3knts @ 235 in game, 15.4knts at 234 in grib.
Am I looking at the wrong grib, or is there a data problem somewhere?


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