SVT's meteorologist Maria Augutis explains in the clip above.
This is how the monster waves are created in surf mecca Nazaré
2020-10-30T17:35:49.720Z
20 meter high waves sound crazy loud but on the Atlantic coast outside Nazaré, Portugal, it is not uncommon. Something that dedicated so-called Big Wave surfers appreciate. But why do the waves get so high right there and why are the waves often higher in the winter?
Source: svt