Relax among peers, meet people, play pool, chat, activities, have a cuppa. MIST, Whanganui's Mental Health Drop - In Centre is open 52 weeks a year, Monday to Friday 9:30 - 3:30. We also provide a referral service, online computers, stone soup, washing machine & employment. Mission Statement: To Promote Self Empowerment Through Peer Support. MIST is closed weekends & statutory holidays.