Choose your months and get the relative Admiralty Routing Charts to show averaged directions / wind speeds.
IMHO you'll get some good news - It's normally up your bum down from Suez to Aden, and bad news - normally on the nose across to Indonesia.
Cheers
JOHN
Indian ocean Cruising Guide by Heikell.
He sailed from Turkey to Thailand and back but I don't get the
impression he enjoyed it.
It's tempting 'cos it's half the distance or less compared with westabout.
I have done some research since my boat is in the med and my brother lives in
Freemantle. South African sailors have a lot of experience of the Indian
Ocean. You could try their website, the name will come to me eventuallly!!