Police are trying to identify a middle-aged man in connection with an indecent act in a Wellington public toilet.

The incident happened in the male public toilets in Frank Kitts Park on Jervois Quay in Wellington between 4pm and 4.30pm on Friday, April 3.

The man was described as European, aged between 40 and 50 years, about 175cm tall with a medium build.

He had short blonde or brown hair, was clean shaven with an earring in his left ear.

He was wearing white new balance shoes, black track pants, a white shirt and a baggy, black jacket with a white and red coloured Maori pattern on the back.

The word Aotearoa was written across the bottom of the back of the jacket in capital letters.

Anyone who knew who the man was or had information about the incident was asked to contact police.