73 Australian beaches. 7-day forecasts. Custom alerts when your conditions line up. Built by surfers, for everyone who reads the ocean.
Tide, swell, and wind all on one interactive graph. Scrub hour-by-hour across 7 days to see exactly what's coming.
Algorithm scores every 3-hour window across swell, period, wind direction, tide level, and daylight. Find your session instantly.
Define your perfect conditions with sliders and compass pickers. Get notified days ahead when the forecast lines up.
Every major surf spot across NSW, QLD, VIC, SA, WA, and TAS. Search by name, region, or state. Save your favourites.
Weather, temperature chart, UV index, water temp, sunrise/sunset, tide state — all on one card you can scrub through.
Real-time wind particle visualization across the coast. See speed and direction animated over a Leaflet map.
Set thresholds for swell height, period, wind speed, and direction. Choose a tide level. Pick a compass range for wind and swell direction. When the 7-day forecast matches, you'll know about it days ahead.
Our algorithm evaluates every hour across swell size, wave period, wind direction, tide level, and daylight. It finds the optimal 3-hour window and rates it from poor to great — so you spend less time guessing and more time in the water.
Available now on the App Store for iPhone.
Download C4STv1.1 · iOS 14+ · Free