The opening day of the O'Neill World Cup of Surfing men's contest is on today at Sunset Beach.

Wave-face heights are in the 10- to 15-foot range.

The first round will start at 8 a.m. and the competition will run throughout the day.

The World Cup of Surfing is the second event in the Vans Triple Crown of Surfing.

Hawai'i surfers expected to compete today include Joel Centeio, Derek Ho, Hank Gaskell and Clay Marzo.

Centeio won the first event in the Triple Crown series < the Reef Hawaiian Pro last week at Hale'iwa Ali'i Beach.

For updated information visit triplecrownofsurfing.com.