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Sub-tropical low arrives – Your overnight forecast

This evening/overnight a sub tropical low is centred just northwest offshore from the North Island, meanwhile an anticyclone lies southeast of the South Island. In between these systems is a squash zone of sorts and with this type of situation you can end up having strong winds in certain areas. The winds this time are strongest closer to the low and will affect mainly the upper North Island overnight, particularly in the east.

A rain band will be associated with this low pressure system and will once again mainly affect the upper North Island tonight, particularly in the east where some falls could be heavy. Currently (5pm) this band of rain lies over Northland and should move into Auckland during the evening.

Rain, heavy at times especially in the east then easing a little overnight. Strong easterly winds gusting to gale force at times.
Lows tonight: 12-13

Rain develops this evening starting in the north then moving southwards, rain may be heavy at times especially about the Coromandel Peninsula. Easterly winds will become strong gusting to gale in exposed areas.
Low tonight: 12

Bay Of Plenty
Patchy rain or drizzle becoming a little more persistent overnight. Easterly breezes, brisk at times.
Low tonight: 10

Cloudy with the odd drizzle patch developing this evening then some rain moves in overnight. Easterly breezes.
Lows tonight: 9-10

Central North Island
Cloudy with easterly breezes, could be some drizzle later in the night.
Low tonight: 6

Eastern North Island
Cloudy with drizzle patches developing this evening, east to northeast breezes.
Lows tonight: 7-8

Western North Island
Plenty of high cloud with easterly winds.
Low tonight: 5-8

Cloud thickens and lowers this evening, south to southeast breezes.
Low tonight: 9

Plenty of high cloud, light winds.
Lows tonight: 4-5

Canterbury & Marlborough
High cloud thickening and lowering this evening, chance of drizzle later this evening for Canterbury and towards dawn in Marlborough. Light winds, southeasterlies for Marlborough.
Lows tonight: 4-5

West Coast
Clear but plenty of high cloud, light winds tend southeast.
Lows tonight: 4-5

Coastal Otago
Clear spells this evening but cloud increasing later, northeasterlies.
Low tonight: 7

Central Otago
Clear with some high cloud, light winds. Could be a few fog patches develop.
Lows tonight: 0-1

Clear with some cloud, light easterlies. Areas of fog may develop.
Low tonight: 2-3

Homepage image / Midnight MSLP map –


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