B&G Deckman - Manual (Page 135)

Chapter 9: Wind and current forecasts
9.8
specify the times of the forecast schedules you wish to receive while
variables allows you to specify which variables you wish to receive.
Make the appropriate selections here and then hit OK and an email will
be created with the correct GRIB request. You must then send this
email, wait for the GRIB to be sent (only takes a few minutes), save the
GRIB and then use it in the normal way.
GRIB tools
As well as being able to view GRIBs, Deckman also comes with a
couple of tools which allow you to manipulate GRIB files.
CutGRIB.exe
This program allows you to extract information from a GRIB file: cut
out a certain area, reduce the density of the data and so on.
Run CutGRIB.exe from c:\program files\BandG\deckman\GRIB
directory (where 'C' is the program where Deckman is installed) and you
will be presented with the following dialog:
Hit the button following the File Name label (with three dots) and then
browse to the GRIB file you wish to use. The boxes then allow you to
control what information you wish to extract. The Forecast Time box
Figure 9.6