Tammy the West Coast (Wakesurf) Open will be may 28th-June 1st up in Camp Far West Lake. Wheatland, CA.
They run clinics before the main event. You can learn and get detailed instruction from various Pros and experts.
The basic fundamentals of wakesurfing are pretty simple and straight forward. The biggest advantage of experienced instructors or enthusiasts is they know how to set the boat up and drive it properly allowing you to progress through the basics more effectively.
Get more information about the West Coast Open here
As Jake said, Marco down in SD is great and the surfinsundays sounds like a great event.