A front is forecast to move northeast across the South Island tonight and during Saturday, then onto the southern North Island overnight Saturday. This front is expected to deliver periods of heavy rain to parts of the South Island and Wellington, and possible severe gales to parts of the South Island.
Heavy Rain Warning
Impact: Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous.
Forecast: Expect 70 to 100mm of rain. Peak rates of 20 to 30mm/h, and thunderstorms possible.
Area: Fiordland
Period: 10hrs from 11pm Fri, 18 Feb – 9am Sat, 19 Feb
Heavy Rain Watch
Area: Southland
Period: 6hrs from 3am – 9am Sat, 19 Feb
Forecast: A period of heavy rain. Rainfall amounts may approach short-duration warning criteria.
Strong Wind Watch
Area: Queenstown Lakes District
Period: 9hrs from 11pm Fri, 18 Feb – 8am Sat, 19 Feb
Forecast: North to northwest winds may approach severe gale in exposed places.
Area: Fiordland and Stewart Island
Period: 9hrs from 8pm Fri, 18 Feb – 5am Sat, 19 Feb
Forecast: North to northwest winds may approach severe gale in exposed places.
Source: metservice.com