Oh! Cape of Good Hope was renamed that way when portuguese mariners discovered they could go around the areas more susceptible to "freak waves".

This is a problem even today, some have said it is due to hotter currents coming from the Indian ocean meeting the cold Atlantic. But the judge is still out on that one.

Good documentary on rogue waves: https://www.youtube.com/watch?v=EfNc_6EjbMU

I mean suggested in the sense that this specific example cannot be evidenced, as there aren't any primary sources from that time we can refer to.