the perch are pretty easy to catch, the trouble is finding them. i usually just use a heavy steelhead rod and rig up a drift fishing setup with a #4 hook and enough lead to get out there(usually 1-2oz). go out at low tide and find bars and troughs in the sand and come back at high tide to fish them. sand shrimp and clam necks work really well for them.
the jetty's been kicking out some really nice lingcod lately too.