Myrtle Beach in August?

[ukfb1]

Never tried flyfishing in saltwater. Going to be in Myrtle Beach in August. Got Extremefisherman lined up as a guide for a half day to show me the ropes hopefully. Anybody ever used them? After that, anyone got any tips as where to go within a short distance north or south of Myrtle Beach or tips that I should know to increase my odds.