A great article on Discovery.com called "Do Dogs Really Like to Surf?"
A few interesting points:
Dog surfing trainers say the dogs are actually enjoying themselves as they take to the board.
"You only attempt surfing with dogs that really love the beach and water," explained Rob Kuty, the official animal trainer at the Helen Woodward Animal Center in San Diego. "Dogs who fear or dislike either are almost impossible to train to surf, so you won’t find those dogs at these types of competitions." .....
Once canines are comfortable on the surfboards, Kuty and his helpers will take the dogs out into the water and hold the boards while letting the dogs feel the rhythm of the water. At this time, canines usually exhibit their particular surfing style. Some like to surf standing forward, while others take a side position or even orient themselves so they are backwards on the board ..
See the rest at "Do Dogs Really Like to Surf?"
For more information on Surf Dogs, go to any of the following: SurfDogSeries.com, SmallWaveSurfDog.com, SmallWaveSurfDogCompetition.com, or SurfDogCompetition.com.