Are there barrelling waves in advanced surf session? November 22, 2019 03:08 Updated Follow Yes! Depending on the wave setting, the waves will barrel at the start, middle or towards the end of the wave. Related articles What is are the advanced surf session waves like? Does the waves in intermediate surf sessions barrel? What are the Expert surf session waves like? What happens if there is bad or inclement weather? What boards do you have available for hire?