weather warning
An active and complex low pressure system is forecast to move east across New Zealand this weekend, bringing periods of heavy rain and gales to many places
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North Island: Showers in the west and Tararua District, snow lowering to 1000 metres. Fine in the east and Wellington. South Island: Showers in the west and south, spreading elsewhere for a time. Snow to 500 metres about Buller, but to sea level in the far south.
North Island: Showers, especially in the west, easing later and clearing north of Taupo. Snow lowering to 700 metres about the Central Plateau. South Island: Showers, falling as snow in the south and to 500 metres in Buller, but only scattered showers in the east.
North Island: Fine or becoming fine for most, isolated showers for Northland and Auckland. South Island: A few showers in the south, falling as snow at first. Fine or becoming fine elsewhere.
A change to showers and strong west to southwesterlies on Monday.
Mostly fine this morning apart from areas of cloud and isolated showers. However cloud and scattered rain spreading south from late afternoon or evening, more widespread in Taranaki and Wellington tonight.
Fine.
Mostly fine, however becoming cloudy tonight and scattered rain developing. Northerly gales developing tonight.
Mainly fine, however rain developing tonight. Northwest gales developing tonight.
Mostly fine, however rain for Southland, the Otago lakes and Canterbury high country tonight. Northerlies rising to severe gale in exposed places this evening.
A few showers turning to rain this afternoon or evening, with heavy falls and northerly gales, also possible thunderstorms.
Partly cloudy.
*GALE WARNING IN FORCE* Saturday : Northwest 25 knots, rising to northerly 35 knots early afternoon and to 45 knots this evening. Sea becoming high. Poor visibility in rain developing late evening.
Outlook following 3 days: Sunday: Northerly 50 knots, easing to northwest 30 knots in the morning. High sea easing. Monday: Northwest 30 knots, rising to 40 knots for a time. Sea becoming very rough for a time. Tuesday: Northwest 25 knots, easing to 15 knots. Changing southwest 15 knots late. Rough sea easing. Heavy southerly swell developing in the south.
Inshore waters from Pukerua Bay to Makara Beach.
Situation
A northwest flow over the country strengthens today as a low approaches southern New Zealand from the Tasman Sea. The low and several associated fronts are expected to move over the country during Sunday, then a strong cold southwest flow spreads over New Zealand on Monday and Tuesday. The southwesterlies ease on Wednesday as a ridge of high pressure approaches from the west.
Warning
Gale warnings for Cook and Stephens
Forecast
Gale warning.
Saturday: Northerly 20 knots rising to 25 knots gusting 35 knots early evening and to 35 knots gusting 45 knots late evening. Sea becoming very rough late evening. Cloudy periods. Poor visibility in rain developing late evening. Northwest swell half to one metre.
Sunday: Northerly 35 knots gusting 45 knots, turning northwest 35 knots gusting 45 knots in the morning and easing to 30 knots gusting 40 knots in the evening. Very rough sea easing in the evening. Poor visibility in periods of rain, clearing for a time in the morning and again in the afternoon. Northwest swell rising to 2.5 to 3 metres.
Outlook
Outlook until midnight Wednesday:
Monday: Northwest rising to 40 knots early, then easing to 25 knots later. Periods of rain. Northwest swell 2.5 to 3 metres, rising to 4 metres for a time.
Tuesday: Easing to northwest 15 knots early, then changing southerly 15 knots. Showers. Northwest swell easing to 1.5 metres. Southerly swell 1 metre developing.
Wednesday: Southwest 10 knots, becoming northwest 10 knots. Becoming fine. Southerly swell easing to half a metre. Northwest swell half a metre.
Wellington Harbour and the south coast from Sinclair Head to Baring Head.
Situation
A northwest flow over the country strengthens today as a low approaches southern New Zealand from the Tasman Sea. The low and several associated fronts are expected to move over the country during Sunday, then a strong cold southwest flow spreads over New Zealand on Monday and Tuesday. The southwesterlies ease on Wednesday as a ridge of high pressure approaches from the west.
Warning
Gale warning for Cook
Forecast
Gale warning.
Saturday: Northerly 20 knots rising to 25 knots gusting 35 knots this afternoon and to 35 knots gusting 50 knots late evening. Sea becoming very rough late evening. Cloudy periods. Poor visibility in rain developing late evening.
For Wellington South Coast and Palliser Bay - Southerly swell half a metre. For Castlepoint - Southerly swell half a metre. Northeast swell half a metre.
Sunday:
Northerly 35 knots gusting 50 knots rising to 40 knots gusting 55 knots early morning. Changing northwest 35 knots gusting 50 knots late morning. Northwest easing to 30 knots gusting 40 knots in the evening. Very rough sea easing in the evening. Poor visibility in periods of rain, clearing for a time in the morning and again in the afternoon. For Wellington South Coast and Palliser Bay - Southerly swell half a metre. For Castlepoint - Southerly swell half to 1 metre. Northeast swell rising to 1 metre.
Outlook
Outlook until midnight Wednesday:
Monday: Rising to northwest 40 knots early, easing to 25 knots late. Periods of rain. For Wellington South Coast and Palliser Bay - Southerly swell rising to 1.5 metres. For Castlepoint - Southerly swell rising to 2 metres. Northeast swell 1 metre dying out.
Tuesday: Northwest easing to 15 knots early, then changing southwest 25 knots. Showers. For the South Coast and Palliser Bay - Southerly swell rising to 4 metres. For Castlepoint - Southerly swell rising to 4 metres.
Wednesday: Easing to southwest 10 knots early, then turning northwest 15 knots. Becoming fine. For the South Coast and Palliser Bay - Southerly swell 4 metres easing to 3.5 metres late. For Castlepoint - Southerly swell 4 metres.
