The Mavericks surfing competition may not even take place until next month, but these brave surfers took advantage of waves that grew up to 50 feet high.

VIDEO: A surfer wiped out on a huge wave at Mavericks and then spent the next 100 terrifying seconds fighting for his life.

HALF MOON BAY, Calif. -- Many knew the waves were going to be big, but even the locals in Half Moon Bay were surprised by just how massive the swells were at world-famous Mavericks Beach.

Visitors from all over the world flocked to Mavericks in Half Moon Bay to watch surfers brave the massive waves.