On Christmas Eve, a surfer from Santa Cruz rode a wave at Mavericks that witnesses say was over 100 feet tall, which would set a world record. But how do you reliably measure a wave?

An increasingly ferocious and volatile surf is raising questions about the future of the state’s piers, which have defined ...

Explore this FAQ to learn more about what’s causing marine heat waves and their impacts in California. A marine heat wave is a period of unusually high ocean temperatures and is defined by its ...

If the wave's height is confirmed by Guinness World Records and the World Surf League, Slebir will hold the record for the largest wave surfed -- a title currently held by Sebastian Steudtner, who ...

At about 3:15 p.m. on Dec. 23, as a powerful winter swell raged on the California coast and left ... caught a towering wave at the Mavericks surf spot near Half Moon Bay that was recently ...