Nelscott reef is the home to one of the biggest waves available to surf in the united states. there are big wave contest in hawaii, mavericks near san fancisco and the nelscott reef. As i understand it, the reef is about 20 feet below the surface of the water. when the swell is greater than 20 feet it slams into the reef below, it causes the swell to jack up and the wave begins to break. i like surfing 4 to 6 feet maybe occasionally 8 to 10. 20 to 40 totally out of the question. the contest was not held last year, the conditions just weren't right, hopefully this year. they get the waves i get the shots. stoked!