Boy, 13, missing for five days from Sydney's west

Police are searching for a 13-year-old boy missing from Sydney's west after he disappeared five days ago.

Patrick Hartley, aged 13, was last seen about 8pm on Sunday January 17, when he left an address on West Wilchard Road in Castlereagh.

READ MORE: Search resumes for man, 20, swept into choppy seas off NSW coast

He has not been seen or heard from since and police have serious concerns for his welfare.

Patrick is described as being of Caucasian appearance, 140cm tall, with brown eyes.

At the time, he was seen wearing a black shirt, a black beanie and glasses with a black frame.

He often visits the West Wyalong and Goulburn areas of NSW and anyone who may have seen the boy has been asked to contact police immediately.

Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au.