How to find forecasts of winds at altitude.

Windy provides an easy-to-use graphical format to show wind speeds and directions in the layers of the atmosphere right up to 40000’. Of course we only really want to see the bottom few thousand, but here’s how to find it for any PG site on

Opening Screen (you need to zoom in to the right part of the country)

Windy 1

After clicking on the site, you get the basic ground level forecast for there, and can compare the forecast models:

Windy 2

The Airgram shows the wind speeds and direction at every level. 950 hPa is about 1770’; 900hPa = 3250’

Windy 3

Of course you know how to read the direction and speed from the barbs on the diagram, don’t you . . . ?