Surfline: Wave & Surf Reports represents the digital evolution of a surf forecasting institution that began in 1985. The iOS application translates decades of oceanographic expertise into mobile functionality, positioning itself as the definitive resource for surf condition intelligence worldwide. With institutional credibility and extensive global coverage, the app serves as both planning tool and virtual window to breaking waves across continents. The application's core functionality centers on its multi-layered forecasting system, combining NOAA data with proprietary modeling to deliver hour-by-hour predictions for swell height, period, direction, wind conditions, and tide charts. Beyond numerical data, the platform integrates over 1,000 live HD cameras at premier surf breaks, enabling visual verification of conditions. Advanced features include session logging tools that allow users to record wave counts and conditions, while smart notifications alert users when preferred breaks reach optimal parameters. The premium subscription tier unlocks extended forecast ranges, ad-free viewing, and high-resolution camera feeds. User experience reflects thoughtful design for practical field use, with a map-based interface allowing quick navigation between favorite spots and discovery of new breaks. The dashboard efficiently consolidates critical data points—wave height, wind speed/direction, water temperature—into immediately digestible visualizations. Real-world usage patterns show surfers checking conditions both during pre-trip planning and en route to beaches, with particular utility for those traveling significant distances to coastal areas. The interface maintains functionality even in low-signal environments common near remote surf locations. User feedback consistently highlights the application's comprehensive data integration and reliability for trip planning. JeffreyG2023 (August 5, 2025) noted its essential value for landlocked surfers traveling 120+ miles to coasts, while Sterzy34 (August 2, 2025) praised having 'everything I need on one screen.' Some users acknowledge occasional forecasting variances, with Elan Camaret (August 3, 2025) commenting that while 'it do be lyin from time to time,' it remains 'the best in the game.' Multiple reviews specifically mention the value of camera networks for verifying conditions before committing to travel. The application demonstrates particular strength in consolidating disparate ocean data sources into a unified, mobile-optimized platform, though forecasting accuracy can vary with localized conditions and rapidly changing marine environments. While premium features require subscription access, the free tier provides substantial functionality for casual users. The platform serves most effectively as a planning tool rather than absolute prediction system, with optimal utility for surfers who combine its data with personal observation and local knowledge.