g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
   gfs.20250121 |
   gfs.20250120 |
   gfs.20250119 |
   gfs.20250118 |
   gfs.20250117 |
   gfs.20250116 |
   gfs.20250115 |
   gfs.20250114 |
   gfs.20250113 |
   gfs.20250112 |
NCEP NOMADS Version 1.2