If you follow the second link above you will find all the data that you need. And what you will find is that the EAC isn't the smooth, even flowing stream that is suggested by the arrows on the regular charts
. Instead, it is a band of swirls, eddies and other non-linear patterns, and that they change speed and direction DAILY in any given place.
So, one must refer to the BOM site frequently to plan one's coastal voyages efficiently, and no generalizations re seasonal flow really mean much.
It is great to have this tool, and it has saved us a lot of grief since it became available.