My gut reaction is to steer clear of his prophecies. But then again, I'm not someone who puts much emphasis on prophecies, apparitions, bleeding/crying statues, etc in general.
On the other hand, before finding Catholicism (well, at least the Novus Ordo brand), I used to read up on his prophecies, consult tarot readers/psychics, follow horoscopes, etc. When I hear the name "Nostradamus", I immєdιαtely put him in this category and was quite honestly surprised to see him mentioned here.