This news has created waves among surfers the world over.
The massive storm battered the European coast during the last couple of days, but it also gave professional surfers a chance to ride the massive waves.
A Brazilian surfer could have ridden one of the biggest waves in history - 30m high - during the big Monday swell as waves hit the coast of Portugal near Nazare.
While many risked their lives going out into the waters, witnesses believe it was Mr Carlos Burle, 45, who rode the tallest wave - possibly beating the world record set by Hawaiian surfer Garrett McNamara, also at Nazare, in 2011.
Mr McNamara's wave was estimated to be 23m tall, but the waves hitting off the coast near Nazare were noticeably taller, Mail Online reported.
Mr Burle told Surfer Today: "It was luck. We never know when we will be catching the wave. I still hadn't surfed any wave and everyone had already had their rides."
He has been living the adrenaline-filled life of the big wave riders. In 2001, he rode a 22m wave in Mavericks, Northern California, Surfer Today said.
His feat is even more amazing, considering he had saved a Brazilian surfing friend from nearly drowning just before that.
Ms Maya Gabeira nearly drowned and had to be resuscitated on the beach when she fell on a wave and her jet-ski partner could not get to her in time.
She was rescued unconscious and taken to hospital, where she was reportedly doing well despite suffering a broken ankle.
Mr Burle told Stab, a magazine for surfers: "Maya (Gabeira) almost died. For me, it was a big adrenaline moment to get back there after what happened.
"I'm good. Maya is good too... I nearly lost my friend... I don't think I've been so scared in my whole life."
He said there were huge waves breaking on them and over them.
"We got slammed. So scary. We got lucky. I got lucky."
Mr McNamara's effort was determined to be a record by the Billabong XXL Global Big Wave Awards and certified by Guinness World Records.
Mr McNamara, 45, was honoured by Portugal's navy for what it took to ride the massive wave.
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