Thanks for all the responses. I find the ones saying "its only 30kts" interesting, when I'm sure the same people would definitely account for a 30kt wind in the CASA exam
The hint of "Radius of action" mentioned by someone was a good one.
For those interested but not wanting to mess around on the CR2, this website gives a great visual of what's going on...
http://www.luizmonteiro.com/RA_MovBase.aspx