Torrential rain, icy winds sweep across NZ There will be many periods of rain, showers, thunderstorms," he said. Tuesday and Wednesday will bear the brunt of the wet weather while the weekend will see brisk, sharp winds rushing across Aotearoa. Metservice has several weather watches and warnings in place across Aotearoa, with heavy rain expected to batter Mt Taranaki, Northland, Taupo and Auckland. Forecast for the Waitemata tomorrow Northerly 15 knots rising to 20 knots in the evening. Sea becoming moderate in the evening. Cloudy. Poor visibility in periods of rain with possible thunderstorms.