Premise: Shelly Beach is a coastal suburb of the Central Coast region of New South Wales, Australia, located east of Tuggerah Lake and bordering the Pacific Ocean south of The Entrance. It is part of the Central Coast Council local government area. It is 66 km south of Newcastle & 93 km north of Sydney. Shelly Beach is considered one of the most popular surfing beaches on the Central Coast.
Hypothesis: The tides are too strong to surf at shelly beach