Best wind is SE to SW, most Windsurfers launch in the area shown below. Exclusion zones? what zones?

I wouldn't sail closer to the pier, full of kiters & shallow.
One the beach side you have to pay for parking, they are pretty strict. Opposite side its free, traffic island in middle has a great grassy rigging area. Watch out for runners, chicks, cyclists & weirdos as you carry your rig across the path. Plenty of good scenery about

. There are a heap of good spots south of st kilda too that others can elaborate about.
Have a good one and welcome to vicco!