You can use the Raster to NetCDF, Feature to NetCDF, and Table to NetCDF tools from the Multidimension Tools toolbox to export a raster, a feature class, and a table, respectively, to a netCDF file.
Exporting to netCDF data using geoprocessing tools
You can use the Raster to NetCDF, Feature to NetCDF, and Table to NetCDF tools from the Multidimension Tools toolbox to export a raster, a feature class, and a table, respectively, to a netCDF file.