A front passes over New Zealand on Monday moving in a west to east fashion, blustery northerlies ahead of the front then changing westerly in behind.
Cloudy for the western North Island (Northland through to Wellington) with showers, rain moves into the southwestern corner of the North Island around midday bringing a chance of heavy falls then clearing away in the evening. Rain moves into the upper North Island in the evening then eases / clearing overnight. High cloud along the east coast (Gisborne to Wairarapa), perhaps a few spots of rain and blustery northerlies. Rain moves into Wairarapa in the afternoon then pushes further north in the evening.
Northerly winds through Cook Strait and about Wellington, Nelson and Marlborough will be strong to gale from the north in the morning before easing.
Early heavy rain for the West Coast of the South Island then easing to showers, rain with heavy falls about Nelson and Marlborough clears around midday then sun breaks through. Canterbury has morning spots of rain then clearing to a mostly sunny afternoon as northerlies tend northwest. Any early spots of rain clear Otago then mostly sunny, winds blustery from the northwest for much of the day. Cloudy areas and the odd shower about Southland for much of the day, strong northwesterlies tilt a little more westerly in the afternoon, gales about the coast.
Warm for eastern and northern New Zealand with highs in the low to mid twenties. Temperatures along the West Coast of the South Island and about Southland staying in the high teens, perhaps mid teens for Fiordland.
Image: Monday 1st April 2019 4:00pm MSLP / rain map – weathermap.co.nz