crystal-gazer

noun2

1. •
   Someone who claims to be able to see the future by gazing into a crystal ball.

   • It is a great pleasure to be with you today and to speak to you concerning the future of medicine. In so doing, I do not wish to pose as a soothsayer or crystal gazer. — 1951
2. •
   (figurative) Someone who makes predictions about the future, especially when these are seen as speculative.

   • According to the bank's crystal-gazers, interest rates are going to rise again soon.