USA TODAY: Pacific storms, coastal reef create Mavericks' 60-foot surf waves.
https://www.usatoday.com/in-depth/news/2018/12/16/mavericks-surf-waves-deadly/2286975002/
https://www.usatoday.com/in-depth/news/2018/12/16/mavericks-surf-waves-deadly/2286975002/