Navigate to OVF Export Tool
cd /Applications/VMware\ Fusion.app/Contents/Library/VMware\ OVF\ Tool/
Running to OVF Export Tool
./ovftool ~/Virtual\ Machines.localized/[VMware_Fusion_VM_Name].vmwarevm/[VMware_Fusion_VM_Name].vmx ~/{path_to_export_to}/exported_vm_name.ova
Replace what is in [
]
with your VM name/path