Shout-out to the NOAA GFS team, who publish the GFS analysis directly to AWS S3.
https://registry.opendata.aws/noaa-gfs-bdp-pds/
GFS outputs are also available for free from NOMADS. That was true long before AWS came up with the public dataset program.
alt Hacker News
GFS outputs are also available for free from NOMADS. That was true long before AWS came up with the public dataset program.