foretelling vs forecasting

foretelling and forecasting both are nouns.

Word	Noun	Adjective	Verb	Adverb
foretelling	Yes	No	No	No
forecasting	Yes	No	No	No

As nouns, foretelling and forecasting are synonyms defined as:

Other synonyms of foretelling include prediction, prognostication.

foretelling (noun)	forecasting (noun)
the art or gift of prophecy (or the pretense of prophecy) by supernatural means	a statement made about the future
a statement made about the future