An interislander ferry joined the seach for a missing boat on Monday night.

An interislander ferry joined the seach for a missing boat on Monday night.
Photo: Supplied

A boat believed to be taking on water off Wellington’s coast is still missing after a mayday call overnight.

The call for help was made by a small boat off, about 3 nautical miles from Karori Rock, about 10pm on Monday.

Several people were reported to be onboard.

“Boats from Police, Coastguard Wellington, CentrePort, Wellington Airport Fire and Rescue, and the Interislander searched the area until 2.30am, but no debris was found,” police said on Tuesday.

“A Search and Rescue team and Police also checked along the shoreline and boat ramps, but nothing of note was located.”

Videos on social media showed search lights being used as the Interislander combed the area in the dark.

The search was called off overnight , but is due to resume about 7am and police are urging anyone with information to come forward.

Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.