Pilots, sailors, paragliders, and outdoor guides use it to see how conditions change by altitude and hour. Layers include radar, satellite, cloud tops, and wave height. The premium plan adds extra data and removes ads.
Forecasts are model output, not guarantees, so users should compare models and check local reports when conditions are marginal.
AccuWeather and Tomorrow.io are alternatives with different focus. Windy suits anyone who needs detailed wind and weather layers.