A southwesterly airflow lies over the North Island today while southwesterlies over the South Island gradually tend to the northwest this afternoon especially about the lower half. West to northwest winds build further on Wednesday becoming strong overnight for the South Island. A front pushes off the South Island in the morning moving over the North Island in the afternoon.

Tuesday

Blue – Rain moves onto South Westland in the evening then further north overnight, heavy falls possible, mainly about South Westland.

Wednesday

Blue – Rain moves into South Westland again from evening then pushes northwards overnight, a greater chance of heavy rain this time for all.

Purple – From later in the evening and through overnight expect brisk to strong northwesterly winds to develop in the areas marked below. Winds may gust to gale for inland Canterbury / Marlborough, Cook Strait and about coastal Southland.

Thursday

Blue – Early heavy rain moves off the northwest of the South Island then becoming heavy about the west of the North Island in the afternoon, easing evening.

From afternoon heavy showers and possible thunderstorms move onto South Westland then gradually move northwards.

Purple – West to northwesterly winds will be brisk / strong in the areas marked below.

– Please note, the idea behind this update is to focus on the main weather highlights, which is why not all regions are mentioned. 

For specific 10 day information for your city, town, rural community or island please see the 1500 forecasts on our homepage!

– Aaron Wilkinson, WeatherWatch.co.nz