Inverloch - 1.5 hrs drive from Melbourne.
Flat water low tide. Bump and jump on high tide.
Sand bars everywhere
Waves on the front beach
Good coffee
Inverloch Windsurfing Club are a bit of a pain because they talk to you and are helpful

Lots of people make the drive including me(1.75 hrs) tomorrow morning.
Sail from the Anderson Inlet Angling Club carpark near the end of Cuttriss St
BTW - I am biased because I am the President of the motely crew down there