Surf Diary & Swell Log

Stop guessing which way the swell was running. SwellBearing turns your iPhone into a logbook for what you actually saw at the beach. RECORD - Point your phone at the sea and log the swell bearing with the compass - Count the sets: tap as each wave passes and get the period in seconds - Measure wave height with your phone's tilt — aim at trough and crest - Speed and wavelength are worked out from your period (deep-water physics) - Rate the size the way surfers actually talk about it: S / M / L / XL - Add photos or a video and a note, right on the record screen REVIEW - See every session pinned on a map, coloured by size - Browse your log like a logbook, newest first - A rose chart shows the bearing pattern across your whole log HONEST ABOUT WHAT IT SHOWS - No forecasts, no predictions — only what you measured, when you measured it - Wave height appears as a number only when you measured it yourself - Speed and wavelength are clearly labelled as deep-water values - Works completely offline, nothing leaves your device One purchase, everything included, forever.