g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    gfs.20261017 |
|    gfs.20261016 |
|    gfs.20261015 |
|    gfs.20261014 |
|    gfs.20261013 |
|    gfs.20261012 |
|    gfs.20261011 |
|    gfs.20261010 |
|    gfs.20261009 |
|    gfs.20261008 |
NCEP NOMADS Version 1.2