au tuke
1. (noun) heavy seas, rough sea.
I ngā rā tōmua o Oketopa 1844, ka rere whaka-te-raki ia i roto i tētahi kahupapa waka itiiti. Nō tō rātou taenga ki te kūrae o Paparoa i te 10 o Oketopa, ka ākina e te au tuke, ka tahia atu a Tūhawaiki ki te moana (TTR 1990:370). / Early in October 1844 he sailed north in a flotilla of small boats. When they reached Paparoa Point on 10 October, they were buffeted by heavy seas and Tūhawaiki was swept overboard.