British sailors Nick Rogers and Joe Glanfield continue to lead the Men's 470 class despite finishing only 18th in Tuesday's fifth race.
The duo, who previously posted second, third, ninth and fourth places, hold a three-point lead over Americans Paul Foerster and Kevin Burnham.
In the women's 470, Britain's Christina Bassadone and Katherine Hopson are now sixth overall after a fifth place.
Chris Draper and Simon Hiscocks finished ninth in the first 49er race.
The mild breezes which meant much of the early part of Tuesday's programme had to be postponed gave way to a changeable wind, allowing racing to go ahead in unpredictable conditions.
In the Laser, Paul Goodison was off the pace, finishing 28th in a race he will hope to discard as he lies 12th overall.
Brazilian Robert Scheidt, the man pipped by Ben Ainslie in Sydney, won convincingly and continued to set the early pace, leading by six points overall after three races.
Earlier, Laura Baldwin continued to struggle in the Europe, the event won by Shirley Robertson in Sydney, as she finished ninth and 23rd in the third and fourth races, falling back to 20th overall.
But in the windsurfing, Natasha Sturges made the most of the gentle conditions, finishing third in the mistral to move up to 10th overall after three races.
But Nick Dempsey enjoyed ill fortune as the men's event was abandoned while he was enjoying a comfortable lead.
All classes will be racing on Wednesday to try and get back on schedule after the early delays caused by the Meltemi winds.
It will be a big day in both the classes where Ben Ainslie (Finn) and Shirley Robertson, Sarah Ayton and Sarah Webb (Yngling), will be desperate to hold onto their gold medal positions.