[1][2][3] Her mother, Waimarama, is a former New Zealand netball international, former national team captain and head coach and Central Pulse's director of high performance.

Between 2004 and 2011, he served as head coach of the Cook Islands national rugby sevens team.

At the time, her mother was serving as National Performance Director of the All England Netball Association.

[8][18][19][20] In 2016 she was a member of the Central Zone team that finished the season as runners up to Netball South.

[8] Ahead of the 2017 ANZ Premiership season, Metuarau was included in the Central Pulse squad as a replacement for the pregnant Ameliaranne Ekenasio.

[26][27][28][29][30] On 5 July 2020, during a 2020 Round 4 51–30 win over Waikato Bay of Plenty Magic, Metuarau, aged 19, made her 50th ANZ Premiership appearance for Pulse.

[5][50][51] She subsequently made her senior debut for New Zealand on 20 September 2021 against England during the first test of the 2021 Taini Jamison Trophy Series, scoring 17 from 19 as she partnered Maia Wilson.