weather warning

PERIODS OF HEAVY RAIN FOR EASTERN BAY OF PLENTY, MOUNT TARANAKI, THE TARARUA RANGE AND BULLER TONIGHT AND DURING WEDNESDAY A complex trough is moving eastwards across New Zealand tonight and Wednesday, with several bands of heavy rain and possible squally thunderstorms expected to affect central and northern New Zealand during this time


extended nz forecast

regional forecast

coastal marine forecast

leisure marine forecast

Thursday

North Island, showers in most places, but mainly fine in the east from Gisborne to Wairarapa. South Island, rain or showers in the south and west, with the odd shower elsewhere.

Friday

A few showers, but rain spreading onto the western North Island and northern South Island at night.

Saturday

North Island, periods of rain spreading eastwards, with some heavy and thundery falls in the west. South Island, rain spreading southwards, some heavy falls possible in the north and east. Mainly fine or becoming mainly fine in Westland and Fiordland.

Chatham Islands

Cloudy periods and a few showers with northwest winds on Thursday. Showers and westerlies on Friday, winds strong for a time. Rain with possible heavy falls developing on Saturday, westerlies turning northerly and possibly rising to gale for a time.

For all of the North Island, except Gisborne, Hawkes Bay and Wairarapa

Showers, some heavy with squally thunderstorms and hail, easing tomorrow evening.

Gisborne, Hawkes Bay and Wairarapa

Mainly fine. However, brief rain this evening and isolated showers tomorrow.

Marlborough, Nelson and Buller

Showers, with isolated squally thunderstorms and hail, easing tomorrow afternoon and clearing in Marlborough and much of Nelson by evening.

Westland

A few showers in the north, spreading to most places tomorrow.

Canterbury

Cloud increasing and scattered rain developing this evening, clearing tomorrow.

Otago and Southland excluding Stewart Island

Fine today. Scattered rain developing about the south coast tomorrow morning and spreading north later.

Fiordland and Stewart Island

A few showers, becoming frequent and heavier tomorrow.

Chatham Islands

Occasional rain.

Colville

Northwest 25 knots. Sea rough. Northerly swell rising to 2 metres. Poor visibility in showers, with squally thunderstorms this afternoon.

Outlook following 3 days: Westerly 25 knots. Becoming late Friday northerly 25 knots, and rising Saturday northwest 35 knots with very rough sea. Moderate northerly swell at times.

Kaipara

Northwest 25 knots, becoming southwest 25 knots late this evening. Sea rough. Southwest swell, rising to 5 metres for a time. Northwest swell rising to 2 metres. Poor visibility in showers, with squally thunderstorms at times.

Outlook following 3 days: Southwest 25 knots. Turning early Friday northwest 20 knots, rising later Friday northerly 30 knots, and Friday night northwest 40 knots with very rough sea. Heavy westerly swell, easing Thursday. Northwest swell becoming heavy on Saturday.

Auckland

Manukau and Waitemata Harbours, Hauraki Gulf and Bream Head to Cape Colville.

Situation
A large complex trough, with several embedded fronts is slowly moving eastwards across the region followed by a weak ridge of high pressure on Friday. Later on Friday a warm front sinks south over the North Island followed by another trough crossing the area on Saturday.

Warning
Strong wind advisory in force for all areas.

Forecast
Manukau and Waitemata Harbours, Hauraki Gulf, and Bream Head to Cape Colville: Wednesday: Northwest 25 knots gusting 35 knots easing to 20 knots this evening. Rough sea easing this evening. Poor visibility in showers, with squally thunderstorms from afternoon with gusts of 50 knots at times.

Outlook
Outlook until midnight Saturday: Thursday: Becoming westerly 25 knots. Occasional showers. Friday: Westerly 20 knots tending northwest 15 knots, rising northerly 20 knots later. Few showers and fine spells, rain at night. Saturday: Northerly rising 30 knots early, easing to northwest 20 knots towards midday, rising to northwest 35 knots late. Periods of rain.

Swell
Swell forecast to midnight Saturday: East Coast: Northeast half a metre, rising to northerly 2 metres today then easing to half a metre Thursday. Northerly rising to 2 metres again on Saturday. West Coast: Southwest 3 metres, rising to 5 metres today, then easing to 3 metres Thursday.