As far as the south coast of Australia goes, just don't go there. Sail past it and turrn north when you don't see it any more. Drive down there from Sydney and have a look from the top. ( at low tide, that is an awesome photo)
Hey, it ain't that bad!.... (actually, on second thought, maybe it is) but it's all that some of us have to play in.
To be safe you just need to:
1. Have checked the weather forecast AND the tides before exiting "The Rip".
2. Have nice day (for the purposes of this exercise, storms, rain, high winds, night and/or fog are NOT classed as "nice days"!)
3. Hope like H*** you know EXACTLY where you are in relation to those cliffs at all times!
EDIT: Please ignore Aaron's well-meaning advice to just "sail past it and turrn north when you don't see it any more". Here's a listing
I found of a few who've tried that over the decades...