The winter storm coming to New Jersey on Tuesday will likely leave significant snow accumulations in the northern part of the state and widespread coastal flooding at the Shore, the National Weather Service said. All of Sussex County and the western parts of Passaic and Bergen counties are now under a winter storm warning, and Morris, Warren and Hunterdon counties remain under a winter storm watch. Towns north of Interstate 78 will see snow, and Sussex County could get up to 8 inches, the weather service predicted. All four Jersey Shore counties, and coastal Middlesex County, are under a coast…