You can get the uncompressed gribs via internet email as well. From the
saildocs "info" email:
For example, to request a grib file which covers 20N-60N and 120W to 160W,
on a 2-degree grid for valid times of 24 to 72 hours, containing surface
pressure and wind, send the following email:
------------
To:
Subject: anything
send grib:20N,60N,160W,120W