The swell period is critical for surf knowledge. High-quality waves from ground swells are generated in the open ocean, hundreds of miles offshore.
Never forget the importance of wave period : r/surfing
What is Swell Period, and why do we forecast it?
Kartlar: James and the giant peach book
What Is Wave Period? Explained For Beginner Surfers
The Importance of Swell Period - Howler Media - Click Real Escapes
How to read a surf report, Blue Coast Surf & Paddle
Fall surf guide for Folly Beach. Top 4 things to know. — Isla Surf
Reading Surf Forecasts: The Basics - Lazy Surfer Blog
Map of the World's Best Surf Spots