Three classes saw sailors claim back-to-back race victories, as the International Sailing Federation (ISAF) World Cup reached the halfway mark in Miami, overcoming a constantly altering wind on the third day of the regatta.
London 2012 470 class gold medallists Jo Aleh and Polly Paine from New Zealand were one of those to claim consecutive victories, as they extended their overnight advantage from three points to nine, ahead of the second place British pairing of Hannah Mills and Saskia Clark.
"We're sort of getting used to the wind being up and down and shifty," said Aleh.
"If you can't pick the right place to be on the racecourse, try not to pick the wrong place."
The laser radial and the Finn classes also saw sailors earn back-to-back race wins, with Denmark's Anne-Marie Rindom's victories in the radial catapulting her into the overall lead.
Greece's Ioannis Mitakis, meanwhile, led the Finn races from start to finish to close the gap to the overall leader, Britain's Giles Scott.
Britain's Bryony Shaw also had an excellent day with the 2014 ISAF Sailing World Cup final gold medallist taking two wins and a second, in the women's RS:X class.
"It's strange, it didn't feel like a perfect day out there," admitted Shaw.
"I made a lot of mistakes actually.
"It was really shifty and puffy and I think it was my awareness, especially on the downwinds that pulled me through."
While the likes of Rindom and Mitakis had ideal waves on the water, it was a mixed day for many other sailors, with the leading of the laser class and five-time Olympic medallist Robert Scheidt of Brazil claiming a victory and a 27th place finish from his two races.
A series of bad results for Diego Botin and Iago Lopez of Spain, saw their overall lead come crashing down in the 49er class, with their 14-point advantage from day two, now a one point deficit to Britain's John Pink and Stuart Bithell and Joel Turner and Iain Jensen of Australia, who share the lead.
The Nacra 17 class is also proving to be a tightly fought competition as Italy's defending Miami champions Vittorio Bissaro and Silvia Sicouri are level with Ben Saxton and Nicola Groves, with both lying on 50 points.
The men's 470 also sees British sailors in the overall lead as Luke Patience and Eliot Willis took their second win in six races, while the men's RS:X is led by France's Thomas Goyard.
In the Paralympic classes Megan Pascoe, Helena Lucas of Britain and Bjornar Erikstad of Norway are separated by just one point in the 2.4mR, while the Sonar sees US are tied at the top with Britain, and Dan Fitzgibbon and Lisel Tesch of Australia are the lead of the SKUD18 class.
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January 2015: New Zealand dominate day two of ISAF World Cup in Miami
January 2015: Sailors battle tricky conditions in Miami on first day of ISAF World Cup