The 20-year-old Laser Radial sailor, who grew up on her parents' 50ft multihull, has been selected in the Australian Sailing Team for the test event in Tokyo. Read more
The gap has blown out to 11 points with one more day of sailing before the medal race.
The British champion has a huge 24 point lead and the Silver also looks a foregone conclusion.
The womens division was close right to the end in the light conditions which favoured the good pumpers.
A second disqualification on their scorecard leaves them 20 points behind their British rivals with two or at most three more qualifying races left to sail.
A report was received last night of a gang of youths targeting Olympic tourists on Copacabana Beach and today a "suspicious package" was detonated outside the media centre.
The Australian has overcome a slow start to be in real medal contention with two qualifiers and the medal race left to sail.
Australian Ashley Stoddart has qualified for the medal race but is too far back to win a medal.
The Australian sits 10 points off the Gold and 10 points ahead of Bronze with the double-points medal race to be sailed on Monday Brazilian time.
Billy Besson and Marie Riou bounced back with three top results and are a serious threat to the leaders.
Local hopes are pinned on the daughter of their sailing legend Torben Grael.
The Australians admitted to poor decision-making which dropped them down to sixth, 23 points behind the Kiwis.
The Dutchman has an unbeatable lead in the RS:X and Nick Dempsey will take silver in the medal race tomorrow.
The outside courses are subject to huge swells and the inside ones, especially the medal race course, are bedeviled by fickle winds.
The Kiwis dropped further down the leaderboard but a seventh placing moved the Aussies up.