Garrett McNamara: crazy dude | Photo: Wilson Ribeiro

Big wave rider Garrett McNamara and Portuguese surfer José Gregório have surfed the biggest waves seen in Nazaré, Portugal, in the last years.

The 43-year-old Hawaiian athlete discovered perfect conditions for a tow-in surfing session in the town located in the South region of the country. The swell was pumping and McNamara was astonished with the 6-7 metres of water walls.

"I believe that these were some of the heaviest waves ever caught here in Nazaré. They were big, powerful and dangerous. Now I understand what Kelly (Slater) meant when he said that a mistake here could be our last" he told

There's an explanation for these types of waves in Nazaré. Because of the Canyon of Nazaré, a special water channel, waves tend to double their size and deliver amazing surf rides.

The amazing photo above was captured by Wilson Ribeiro.

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