Prior to running an Optimal Course Expedition needs:
1) Boat Polars
2) A Course
3) Weather and Current Gribs
Here is the Weather settings window showing a GFS (wins) and RTOFS (current Gulf Stream) grib are both loaded, selected and ready for an optimal course to be run:
Though…when you first select a GRIB for download via the direct connection mode it automatically loads and you don’t visit this screen. It may be important to visit this screen to know with certainty what GRIBs are being included in the Optimal Course run…