The New Zealand dollar weakened against the U.S. dollar in Asian markets as U.S. President Biden said on Wednesday that the Group of Seven is coordinating a response to Iran's attack on Israel, including new sanctions on Tehran.

Investors continued to seek safety in the U.S. dollar, citing the possibility of sanctions, Maybank analysts said in a foreign exchange research and strategy note. Better-than-expected U.S. ADP data also boosted the dollar, analysts said.