The armed robbery occured at the Admiral station at 68th Avenue and Lake Michigan Drive in Allendale Township at about 2:25 a.m.
Police are looking for a black male who was wearing a black shirt and black pants, with a blue bandana covering his face. They said he entered the Admiral station waving a revolver and demanding money from the cash register, said Sgt. Steve Austin.
He took an undisclosed amount of money and left in an unknown direction.
Anyone with information is asked to call the Sheriff's Department at 888-731-1001 or Silent Observer at 877-887-4536.