It's very easy... simply copy and paste piece of HTML code to your site and you are done.
You are allowed to show forecasts for up to 10 different spots per website (domain).
The forecast is based on GFS and NWW3 models.
General windguru Terms and conditions applies. As for article 3. of Terms and conditions, you are allowed to use the forecasts on your website if you use the methods described above. Service is without warranty of any kind, can be canceled anytime. You use at your own risk.