Have You Seen Jamie McDonald?

There's concerns for the welfare of a Lake Macquarie man who's been missing since last month.

Jamie McDonald was last seen in the Belmont area by family members on August 28.

He's known to frequent the Watagan Mountains, Mount Sugarloaf and Wangi areas - as well as local waterways.

The 45-year-old is described as caucasuan, 185cm tall with a thin build, and has red/ginger hair and blue/grey eyes.

Anyone with info is urged to contact Crime Stoppers on 1800 333 000.