Atlantic Ocean Atlantic Ocean

South African surfer and sailor Chris Bertish practices in his 20-foot stand-up paddleboard, just days prior to his launch on Tuesday. Alan van Gysen/Courtesy of The SUP Crossing hide caption

toggle caption
Alan van Gysen/Courtesy of The SUP Crossing

American surfer Garrett "GMAC" McNamara rides what could be, if confirmed, the biggest wave conquered in history as a crowd watches Monday in Nazare, Portugal. To Mane/Barcroft Media /Landov hide caption

toggle caption
To Mane/Barcroft Media /Landov