For visualizing weather forecasts, Orca uses a series of hand-picked local weather sources:
Germany – ICON
France and south of Europe – Meteo-France
U.K – MetOffice
Denmark – FCOO
Finland – FMI
Norway – YR
Sweden – SMHI
Rest of world – NOAA
For sail routing, Orca uses a single global source for the following types:
ECMWF – wind speed and direction
Operational Mercator – current speed and direction