g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    nam.20260619 |
|    nam.20260618 |
|    nam.20260617 |
|    nam.20260616 |
|    nam.20260615 |
|    nam.20260614 |
|    nam.20260613 |
|    nam.20260612 |
NCEP NOMADS Version 1.2