g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    gfs.20260414 |
|    gfs.20260413 |
|    gfs.20260412 |
|    gfs.20260411 |
|    gfs.20260410 |
|    gfs.20260409 |
|    gfs.20260408 |
|    gfs.20260407 |
|    gfs.20260406 |
|    gfs.20260405 |
NCEP NOMADS Version 1.2