Early on October 29 , Sandy curved Motion_directional west-northwest ( the `` left turn '' or `` left hook '' ) and then moved Motion ashore near Brigantine , New Jersey , just to the northeast of Atlantic City , as a post-tropical cyclone with hurricane-force winds .

During this change Change in direction , Sandy began Process_start to transition into an extratropical cyclone , a process it completed Process_end before making Manufacturing landfall near Brigantine , New Jersey , late on October 29 .