America’s Cup Race 10 on the Hauraki Gulf. Luna Rossa had pushed to 7–3 and needed one win. Team New Zealand won the next four. The ERA5 wind field for that morning shows the conditions on the water.
The poster is drawn from the ERA5 atmospheric reanalysis at 17 Mar 2021, 02:00 UTC — the real wind speed and direction, over a region centred on Auckland, NZ.
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