[runarb]

The Norwegian Meteorological Institute also have free forecast for any location on earth: https://developer.yr.no/featured-products/forecast/

[aredox]

The Norwegian meteorological Institute, as well as all European meteorological agencies, shares but also rely on shared data from other agencies, including NOAA. Most of the Atlantic weather buoys, for example...

[cyberax]

They won't have access to the same primary data as the NWS. Although it might be an opportunity for something like PurpleAir.