Guziy, There are netcdf-java routines to read Grib files that isolate one from the low level details of Grib. Here's a tutorial to help get you get started: http://www.unidata.ucar.edu/software/netcdf-java/tutorial/ I would look at GridDatatype, NetcdfFile, and NetcdfDatasets There are also javaDocs at: http://www.unidata.ucar.edu/software/netcdf-java/v2.2.20/javadoc/index.html Here's a reference to support question with coding examples that should help also: http://www.unidata.ucar.edu/mailing_lists/archives/netcdf-java/2009/msg00235.html Robb.... Ticket Details =================== Ticket ID: UFH-306410 Department: Support netCDF Decoders Priority: Normal Status: Open