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• All you need to know: Prada Cup final - Big winds for day two
• The best spots in Auckland to watch the Prada Cup races
Murray said he made the decision to use course E because of the expected sea state around most of the other possible courses, with swells of up to one metre possible.
The predicted breeze looks consistent throughout the afternoon, and organisers are confident of both races being completed on Sunday.
While course E has yet to be used for an official race – either in December's America's Cup world series or the Prada Cup – both INEOS Team UK and Luna Rossa are familiar with it.
It has been used extensively for practice racing, and the teams were trialling out there last Friday.
Murray described it as a "pure racecourse", on a good expansive piece of water.
There may also be some more wind shifts today, allowing for more of a tactical battle, compared with the drag races that were witnessed on day one of the Prada Cup final.
In the unlikely event that only one race is possible today, the next reserve day is Tuesday.
The next scheduled race day is Wednesday, though Murray said that could be "challenging", with one long range forecast showing winds that could blow above the maximum limits of 21 knots.
Heading into the Cup racing?
• Give yourself plenty of time and think about catching a ferry, train or bus to watch the Cup.
• Make sure your AT HOP card is in your pocket. It's the best way to ride.
• Don't forget to scan QR codes with the NZ COVID Tracer app when on public transport and entering the America's Cup Village.
• For more ways to enjoy race day, visit at.govt.nz/americascup.