Don't know anything in particular thats on in Perth.
But for those people down south looking to hit up wineries on Good Friday. The only one we found open on Good Friday a couple years ago was Aravina Estate.
So probs best to check them out, before other wineries that day.
So thats pretty great, go down tomorrow, spend the day at the street art festival. Spend the night in Freo, then catch the Catalpa down the coast to the Rockingham Adventure festival. Train it home.