When will ski resorts in Manawatu-Wanganui open for the ski season? The 2026/27 Manawatu-Wanganui Ski season starts from 2026/05/30. See this list of projected opening dates for Manawatu-Wanganui mountains. Important Note: Not all dates listed here are official and final, as resort opening dates are projected and subject to change. Check back for updates on when the lifts are set to start spinning at Manawatu-Wanganui, and don't miss opening day at your favorite resort!