Enter your postcode in the box provided in the right hand panel, and click 'Find'
Postcodes found will be displayed below this box.
Click on the relevent postcode displayed - this will bring up and OS map in the main window.
For windspeed information click on 'Info' on the toolbar then click on your location on the map.
The wind speed information will be displayed in the left hand panel.
To use the other map tools, click on the required tool and then again on the map.
To use the 'Measure' tool click and hold the left mouse button at the start point, release at the finish point. The distance is displayed under 'Measured Info'