You are getting into a very addictive sport, your life will revolve around wind and water. Your family and co-workers will think your crazy -chasing something your can't see.
Get lessons! Lessons are necessary to learning safely and quickly. Quality shops/instructors will provide gear with the lessons. Decide what gear you want after you learn a little more about the sport, the conditions in your area and your dedication to the sport.
Good luck and enjoy!