A low sits in the Tasman Sea on Wednesday with an occluded front stretching out from this low passing over New Zealand from west to east during the day.

Rain for the upper North Island is heavy at times, slowly easing from the west late afternoon onwards. Not easing about the Bay Of Plenty till overnight. Morning rain for the lower North Island then easing to showers, some sun possible from afternoon especially about the Wairarapa.

Rain for the West Coast of the South Island eases to showers around midday on Wednesday, rain about Nelson and Marlborough with a chance of heavy falls clearing early afternoon with areas of sun breaking through. Some morning rain for the east coast then sunny areas develop in the afternoon.

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz