Pretty much anywhere.
If its a westerly it'll blowing from the West all over Perth

To be serious - most metro beaches will be direct onshore = caution for experienced riders (you know who you are); NO GO for anyone who isnt sure if thery qualify yet.
Winter winds are NOT seabreezes - its beginners beware time.
The old rule that if kiters are out there it must be OK just doesnt apply from now thru to next Set/Oct.