Taking pictures of waves can be difficult. At least to me it can be. I wait and I wait hoping for that perfect wave to come by, and then you see it coming and then it crests...in the wrong spot. I often have a couple hundred photos of an out of focus crest or crash. It also doesn't help that waves here don't get particularly large unless it is storming, and stormy days aren't the best for light. I have recently decided to start taking photos from a different perspective if the crests are not agreeing with me.