According to this update, they don't hold out much hope for the third as the water is pretty treacherous and that individual wasn't in the best of health.<br><br>
There's a spot in the story that said the guy who was adrift for 30 hours was picked up about 8 km offshore. If that's roughly where this man started his swim toward shore, that would be pretty much 5 miles worth of swimming without the things you mentioned.<br><br><a href="http://www.news.com.au/story/0,23599,23295591-1242,00.html" target="_blank">http://www.news.com.au/story/0,23599...1-1242,00.html</a>