100 Foot Wave is an American documentary television series directed by Chris Smith, revolving around big-wave surfer Garrett McNamara as he traveled to Nazaré, Portugal with the goal of conquering a 100-foot wave.

He works alongside Nazaré locals to transform the town into a surfing destination known for its immense waves.

Smith was approached by Joe Lewis to direct a documentary feature film about McNamara.

However, when the first cut of the film turned out to be six hours long, Smith felt it would be better suited as a docuseries.

[13] In February 2021, it was announced that a 6-episode documentary series would be produced by Topic Studios and distributed by HBO.