The Collaborative International Dictionary of English v.0.48:

Foresay \Fore*say"\, v. t. [AS. foresecgan; fore + secgan to
   say. See Say, v. t.]
   To foretell. [Obs.]
   [1913 Webster]

         Her danger nigh that sudden change foresaid. --Fairfax.
   [1913 Webster]