Officials said Races 11 and 12, set for San Francisco Bay, were called off after winds of nearly 30 mph were recorded, well exceeding Tuesday's wind speed limit of 23 mph.
Instead, the races were rescheduled for Wednesday at 4:15 p.m. and 5:15 p.m. ET.
Challenger New Zealand leads Team USA 7-1 in the 34th America's Cup.
The first team to 9 points wins the regatta.
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Yosemite climber falls 30 feet, suffers major injuries