g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
   gfs.20230606 |
   gfs.20230605 |
   gfs.20230604 |
   gfs.20230603 |
   gfs.20230602 |
   gfs.20230601 |
   gfs.20230531 |
   gfs.20230530 |
   gfs.20230529 |
   gfs.20230528 |
NCEP NOMADS Version 1.2