Swell Period MetService Blog
Everything You Need To Know About How Swells Work – 7TILL8 Wetsuits
Long Period Swell vs. Short Period Swell: What is the Meaning of Swell Period?
Understanding Waves
What's in a swell period? – Darin's Blog
What is Swell Period? - The Importance of Swell Period (Definition, Calculating Swell Period and Wave Period, and More)
Learn How To Read A Surf Report For Beginners
Waves and your boat
What You Should Know About Swell Periods and Direction — Isla Surf School
Time series plot of (a) significant wave height and maximum wave height