Surfline is described as 'Has been the surf world’s go-to for wave forecasting and surf reports since 1985, helping millions of surfers score better waves, more often. Use the Surfline app to know before you go anytime, anywhere' and is a weather forecast tool in the online services category. There are more than 10 alternatives to Surfline for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Web-based apps. The best Surfline alternative is Windy, which is free. Other great apps like Surfline are Ventusky, SurfBuddy, Dawn Patrol and Surf Athlete.