weather warning
An active cold front is expected to move onto the far south of the South Island tonight, then move northeast over the South Island and the lower North Island during Tuesday
Auckland Weather
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North Island, heavy rain in the west, but showers later.Thunderstorms possible. Showers in the east with a southerly change. South Island, showers, with thunderstorms possible in the west and south at first. Snow to 600 metres in the south. Mainly fine for Nelson, and inland Marlborough and Canterbury.
North Island, showers in the west becoming frequent, possible thunderstorms in southwest. Mostly dry in the east. Severe gale westerlies possible about Hawkes Bay and Wairarapa. South Island, heavy rain in the west, possibly thundery. Mostly dry elsewhere, brief rain for Otago and Southland. Gale westerlies possible in exposed places.
North Island, showers, heavy in the west. South Island, showers with cold southerlies, clearing in the west and north. Snow to 500 metres in the far south.
Periods of rain. Westerlies strong at times, with gale possible on Friday.
Occasional showers, some heavy tomorrow.
Mainly fine. Northwest gales in exposed places tomorrow night.
Fine spells and a few showers. Heavy rain developing tomorrow night, with squally thunderstorms about Taranaki and south of Levin. Northwest gales from tomorrow evening, possibly severe in Wellington.
Mostly fine, but showers from tomorrow afternoon, with possible thunderstorms in the north and west. Showers turning to rain in Nelson and Marlborough tomorrow evening. Northwest gales tomorrow, severe in exposed places.
A few showers tonight. Rain tomorrow, heavy at times, with possible thunderstorms.
Fine tonight, but a few showers about coastal Southland. Occasional rain or showers tomorrow, with northwest gales in exposed places during the morning.
Fine tonight. Showers tomorrow.
Northwest 15 knots, rising to 30 knots from Tuesday afternoon. Sea becoming rough. Northwest swell 1 metre developing at times. Fair visibility in a few showers, mainly Tuesday morning.
Outlook following 3 days: Rising Wednesday morning northwest 35 knots, changing Wednesday afternoon southwest 35 knots. Easing Thursday westerly 25 knots,rising late Friday southwest 35 knots. Very rough sea at times. Moderate northerly swell developing offshore Wednesday, easing Thursday.
*GALE WARNING IN FORCE* Northwest 15 knots, rising to 25 knots Tuesday afternoon, and to 35 knots Tuesday evening. Sea becoming very rough. Southwest swell rising to 4 metres for a time. Northwest swell 1 metre. Poor visibility in a few showers south of Tauroa Point this evening and overnight tonight.
Outlook following 3 days: Easing early Wednesday morning westerly 25 knots knots, rising late Wednesday morning westerly 35 knots, then easing early Thursday southwest 25 knots. Turning late Thursday northwest 25 knots, then becoming late Friday southwest 35 knots.Very rough sea at times. Southwest swell becoming heavy Wednesday. Northwest swell becoming moderate for a time Wednesday.
Manukau and Waitemata Harbours, Hauraki Gulf and Bream Head to Cape Colville.
Situation
Several fronts cross over New Zealand during this forecast period, embedded in a disturbed westerly flow. These westerlies are likely to reach gale or possibly storm in many places on Thursday.
Warning
Strong wind advisory in force for Hauraki Gulf and the area from Bream Head to Cape Colville.
Forecast
For the Manukau Harbour:
Monday: Northwest 10 knots. Sea slight. Fine spells and fair visibility in a few showers, but poor visibility in showers late this evening.
Tuesday: Northwest 10 knots, rising to 15 knots in the morning, and to 20 knots gusting 30 knots from late afternoon. Sea becoming moderate from late afternoon. Poor visibility in showers, with thunderstorms possible in the morning.
For the Waitemata Harbour:
Monday: Northwest 10 knots, rising to 15 knots this evening. Sea slight. Fine spells and fair visibility in a few showers, but poor visibility in showers late this evening.
Tuesday: Northwest 15 knots, rising to 20 knots gusting 30 knots from late afternoon. Sea becoming moderate from late afternoon. Poor visibility in morning showers, then fine spells and a few showers.
For the Hauraki Gulf, and the area from Bream Head to Cape Colville:
Monday: Northwest 15 knots. Sea slight. Mainly fine, fair visibility in isolated showers.
Tuesday: Northwest 15 knots, rising to 25 knots gusting 35 knots from late afternoon. Sea becoming rough late afternoon. Poor visibility in morning showers, then fine spells and isolated showers.
Outlook
Outlook until midnight Friday:
Wednesday: Changing southwest 25 knots late afternoon. Showers becoming frequent, with possible heavy falls and thunderstorms.
Thursday: Easing westerly 20 knots in the morning, then rising to northwest 25 knots about the Gulf in the evening. Occasional showers.
Friday: Westerly 20 knots, rising to 25 knots in the afternoon. Showers, some possibly heavy.
Swell
Swell forecast to midnight Friday: East Coast: North to northeast between half a metre, rising to northerly 1 metre for a time Wednesday. West Coast: Southwest 2.5 metres, rising to 5 metres late Wednesday, easing to 4 metres Thursday, then rising to 6 to 7 metres Friday. Northwest 2 metres developing for a time Wednesday.
