Try Sow and Pigs Reef - GPS: 33 50.320 S 151 16.180 E
and anchor upstream on runout tide or downstream on rising tide and float bait back to reef edge. Burley up with chicken pellets and should pick up some trevally and bream.
Or try the wedding cake (white tower marker off watsons bay) anchor about 20m off the structure and work 7" jerk shad plastic or live bait for Kingies. Dunno if theyll be around yet this time of year, depends on water temp, you might find the odd one about.