Police say they urgently require help from the public to help identify the offender.

Another woman has been assaulted as Auckland Police continue their hunt for the serial offender.

Police say there have been more than 10 reports of a man indecently assaulting young women in Onehunga over the last six months.

In the latest incident, a woman fell victim to a man as she walked along Oranga on February 20 at about 4pm.

Police say the offender is similar to descriptions in the other indecent assault cases.

Earlier this month, there were reports of two attacks in the One Tree Hill and Oranga area.

The incidents occurred around Rawhiti Rd, Waitangi Rd, Mt Smart Rd and Victoria St.

Prior to this, a concerned resident advised police that two young girls were followed by a male along Victoria St after they got off the bus at around midnight.

The two girls told a neighbour who called a taxi for them but did not call the police at the time.

Onehunga Police have spoken to several suspects and the issue was also aired on television show Police 10/7. Police are yet to find the offender.

He has been described as Polynesian, 15 or 16-years-old with black hair and is likely to be familiar with the area and public walkways.

Police say they urgently require help from the public to help identify the offender.

Anyone who witness an assault should contact 111 immediately.

Information regarding the assaults or offender can also be forwarded to Onehunga Police on 213 8691 or 0800 555 111 to report anonymously to Crimestoppers.