Medal prospect Sam Meech will have to wait another day for his chance at sailing glory.
The Laser Medal Race has been postponed for a day due to light winds.
Meech sits third overall.
Racing in the 470 men's and women's classes has also been postponed, meaning defending Olympic champions Jo Aleh and Polly Powrie will have to bide their time as they look to improve their seventh position.
Daniel Willcox and Paul Snow-Hansen will also have to wait another day to resume their 470 campaign.
New Zealand sailors Peter Burling and Blair Tuke have strengthened their lead in the 49er class with a second, third, and first place finish in today's races.
Alex Maloney and Molly Meech have jumped one place to second overall after their three races today.