Searchers have been focusing their efforts in Upper Swan around the Apple Street and Great Northern Highway areas, a police spokeswoman said.
Water police divers have also been called in to aid the search efforts.
Mr Huria's father Mark and brother Tamati made a public appeal on Saturday.
"He's a bit lost at the moment," Tamati Huria said of his brother, who recently quit his job as a builder.
"We don't know but we think he might have gone out on a spiritual journey of some kind - he's quite inclined in that way."
A woman has told police she might have struck a pedestrian in the area last Monday night.