Police are investigating the armed robbery of a convenience store on the Central Coast yesterday.

About 6.30pm (Tuesday 31 May 2016), a man with his face and hands covered entered the store on Lakedge Avenue, Berkeley Vale and confronted an attendant, a 39-year-old man.

The man, who was armed with a knife, demanded money from the till before the attendant complied.

He was last seen entering a white hatchback on Lakedge Avenue and driving off.

Police were alerted and officers from Tuggerah Lakes Local Area Command attended and established a crime scene.

An investigation is underway and investigators would like to speak with a man who may be able to assist with inquiries.

The man is described as being 25 to 30-years old, approximately 170cm tall with a medium build.

He was last seen wearing a black balaclava, black jumper, black pants and black gloves.