"The markets are long on Aussie and kiwi - there is some profit taking ahead of Jackson Hole," said Tim Kelleher, head of institutional FX sales NZ ASB Institutional, referring to the position where traders bet an asset will appreciate.
"The US data is not that bad - I would have thought Bernanke would sit on his hands - the US economy seems to be slowly coming into life."
The latest US reports showed consumer spending increased 0.4 per cent in July, while incomes climbed 0.3 per cent for a third month, according to government figures.
Investors will be looking to the release of China's manufacturing figures on Saturday after falling iron ore prices and a slowing of the world's second largest economy sparks fears it may be coming to the end of Australia's resources boom.
There is no significant New Zealand data set for release today.
The New Zealand dollar edged down to 77.49 Australian cents at 8am from 77.58 cents yesterday at 5pm, and decreased to 62.73 yen from 63 yen. The kiwi slipped to 50.51 British pence from 50.64 pence yesterday.