- Is it windy today? - Wonder how it feels? - Wonder what the sea looks like? The app has calculators for windchill and conversion between F and C scale. The App provides a combined table of winds and wind-chill together with the effect of winds at land and sea. The App will: - convert between different units. - provide the usual terms for wind speed. - calculate wind-chill using the North American formula brought into use after year 2001. - provide wind-chill in both the Celsius and Fahrenheit scales. - link to yr.no for weather and forecast.