hey Welcome Boris!!! I am an old dude from around here and I have been sailing for ever in a day so know all the spots inside out!!!
so I could give ya lots of good plan!!!

so let's see hmmm.. when the wind come from the left you should go...hmm let me think..south..yes south..
ok sorry I am a complete newbie too

I am just starting to get my bearings around here but I am keen to go anytime it's good so I am sure I 'll see you around.
Only thing I could advice you(same advice was given to me) is to check the website
http://www.nswwavesailing.org/news_story.asp?newsID=36where are you North or South side of sydney?