Fed officials forecast the US unemployment rate will fall to 6.5 per cent to 6.8 per cent by the end of 2014, possibly reaching its stated threshold to raise the benchmark lending rate.
Still, the New Zealand economy is "looking pretty good", ANZ's Tuck said.
Prices of dairy products rose in Fonterra Cooperative Group's latest GlobalDairyTrade auction this week, snapping three straight declines as prices rose for skim and whole milk powder, and underpinning support for the kiwi ahead of today's GDP result.
Data today is expected to show New Zealand's economy grew 0.6 per cent in the three months ended March 31, according to a Reuters survey of economists.
The local currency edged up to 84.84 Australian cents, having earlier touched a four-year high 85.03 cents, from 84.16 cents at 5pm in Wellington. The kiwi was little changed at 76.08 yen from 76.09 yen yesterday.
The New Zealand dollar slid to 59.50 euro cents from 59.65 cents yesterday and weakened to 50.99 British pence from 51.09 pence. That reflects investors betting that global economic risk is decreasing, prompting them to consolidate their investments, said ANZ's Tuck.