g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
   gfs.20250622 |
   gfs.20250621 |
   gfs.20250620 |
   gfs.20250619 |
   gfs.20250618 |
   gfs.20250617 |
   gfs.20250616 |
   gfs.20250615 |
   gfs.20250614 |
   gfs.20250613 |
NCEP NOMADS Version 1.2