The best distillation of Cape Hatteras that I've even known is found in two videotapes made in the 1990's by the Hatteras artist (and most excellent windsurfer) Mark Skelton. They are titled "Kooks of Hazard", and "Kooks of Hazard Part Two".
They are unlike other windsurfing videos.
Below is an excerpt from The Kooks of Hazard Part Two. Set to the song "Nerves" by Possum Dixon, it's a taste of Hatteras when the waves are bigger and the winds stronger than is good for your health.