SwissWind vs Wind God

Don't drive to the lake for nothing. SwissWind shows you where and when the wind is blowing, before you set off. Wind, forecasts and webcams for kitesurfing, windsurfing, wingfoiling and sailing: on lakes all over Switzerland and in northern Italy. What the app gives you: • Wind right now: strength, gusts and direction at the lake • Find the right moment: forecasts for the next few days, several forecasts side by side • The big picture: animated map with wind, rain and clouds • See it live: webcams at the lakes • Never miss a session: wind alert on your phone as soon as your wind arrives (Pro) • Stay warned: storm warnings as notifications • Know the conditions on site: water and air temperature For beginners and pros: Simple mode tells you at a glance whether it's on, with a wetsuit tip. Expert mode shows you every detail. Good to know at the spot: Spot info shows zones, restrictions and emergency numbers. Also: widget, knots, km/h or Beaufort, German, French and English. SwissWind is free. SwissWind Pro unlocks more forecasts and the wind alert. No sign-up needed (except for Pro). No tracking, no ad networks. Terms of use: https://swisswind.app/terms

Worth the drive? Now you finally know. Two hours to the spot and then... nothing? Never again: Wind God tells you when the wind kicks in and whether it's 12, 20 or 30 knots. More accurate than any weather model. Your spot doesn't exist in any weather model. So we build it. Global weather models compute grid cells of 2 kilometers and more, your home spot is literally invisible in them: no lake, no shoreline, no venturi effect, no thermal edge. Yet that's exactly where your wind is born. Aeolus closes this gap with an approach that until now existed only in research. WHAT YOU GET • 30 spots across nine countries: Bavaria: Kochelsee, Walchensee, Ammersee, Starnberger See, Chiemsee, Alpsee, Forggensee Lake Constance: Friedrichshafen, Konstanz, Güttingen Italy and Switzerland: Lago di Garda, Lake Como (North), Reschensee, Porto Botte (Sardinia), Silvaplana Worldwide: El Gouna, Selena Bay and Dahab (Egypt), Tarifa, Valdevaqueros and El Médano on Tenerife (Spain), Cape Town (Bloubergstrand, Muizenberg), Ilha do Guajiru, Taíba and Lagoa do Patos (Brazil), the Hel peninsula with three spots (Poland), Podersdorf on Lake Neusiedl (Austria) New spots start out "in testing" and go live once they pass our checks. The library keeps growing. • Kiteable probability for every hour, including your personal threshold (foil? big kite? set your limit). • Wind alerts that are truly yours: set them per spot, wind direction, strength, minimum duration, and how confident the forecast has to be. • Wind windows in your calendar: subscribe your favourites and the events add themselves and keep themselves up to date. • A chat for every spot: who's out there, how it's going, and who can give you a ride. • Power mark for every day: cold, dense air pulls harder on your kite than warm air. The mark shows whether the same wind brings more or less pull today. • Tide curve at coastal spots, with high and low water at a glance. • Home screen widget: your spot without opening the app. • Tell us how it went: one rating per spot and day, wind speed and direction hour by hour. That's how we see where we were off. • Regime intelligence: foehn and thermals are different physics, our models treat them that way. • Instant updates with every weather-model run, precomputed, the answer arrives immediately. • Tidy by default: one number, one curve across all days, pinch to zoom. Want more? Switch on expert mode for the dials and the probability curve. Aeolus is not another weather widget. It's a research program growing into your pocket, built by simulation specialists, tested in the field, computed with the physics of your spot. THE AEOLUS PROGRAM: A DIGITAL TWIN FOR EVERY SPOT Every spot gets a complete digital twin: real topography on a 50-meter grid, terrain roughness, water surfaces with their temperature, the energy balance of every single slope. On top of that, a 3D multiphysics flow simulation (CFD + turbulence modeling) computes the wind field physically: moist air, solar radiation, thermals, foehn, lake breeze, alpine lake, foehn corridor or coastal lagoon, every spot's physics under the same laws of nature. THE NEURAL SURROGATE The full simulation costs hundreds to thousands of CPU hours per spot. That's why the heart of the program is a 3D neural surrogate model: a neural network trained on very many complete 3D simulations per spot. It doesn't memorize weather statistics, it learns to solve the physics itself: the result of the simulation in seconds on a single GPU, a speedup factor of 10,000 to 100,000. And because the training data comes from our own simulation, a new spot doesn't need ten years of measurement history, just geodata. The wind has always been there. Now you can see it coming.