BIGGEST EVER’ WAVE: Surfer rides 90ft wave [Video] Posted on 01/29/2013 by Jason Peiso Surfer Garrett McNamara rides what is thought to be one of the largest waves ever surfed at Nazare in Portugal.This 90 foot monster wave in Portugal should set the new “high water” mark in the Guinness Record books.Watch video after read. Powered By DT Author Box Written by Jason Peiso Tweet Pin It