SIGNIFICANT HEAVY RAIN FOR THE SOUTH ISLAND WEST COAST AND CANTERBURY HEADWATERS
A cooler day with long fine spells, but also isolated showers.
North Island, cloud increasing, with a few late showers in the north. South Island, cloud increasing, with rain developing in the west, and scattered late rain elsewhere.
Rain for most places, possibly heavy, then mainly fine for the eastern North Island and Nelson, and a few showers elsewhere.
Cloudy periods today. A periof of rain around the middle of tomorrow, then clearing.
Mainly fine today. Scattered rain tomorrow, with northwesterly gales in exposed places, clearing from afternoon.
Rain this evening and overnight, with heavy falls, then clearing tomorrow, but showers return towards evening. Severe northwest gales in Wellington, Wairarapa and Marlborough easing tomorrow morning.
Heavy rain with possible thunderstorms, turning to showers tomorrow morning, then clearing south of Hokitika in the afternoon. Severe westerly gales about Fiordland early tomorrow.
Occasional rain today. Showers tomorrow afternoon and evening, with thunderstorms in the north. Severe northwest gales in exposed places, easing tomorrow morning.
Periods of rain, easing to showers tomorrow afternoon. Severe southwest gales in exposed places tomorrow morning.
Cloudy periods today. Occasional rain tomorrow.
Southwest 15 knots, becoming northwest 15 knots this afternoon. Northwest rising to 25 knots early Thursday morning, changing southwest 20 knots early Thursday afternoon. Sea becoming rough for a time. Northwest swell rising to 2 metres for a time. Poor visibility in a period of rain Thursday afternoon and evening.
Outlook following 3 days: Southwest 20 knots, gradually dying out Friday. Developing Saturday northeast 20 knots and rising early Sunday 30 knots with rough sea. Changing late Sunday southwest 20 knots. Moderate northerly swell developing on Sunday.
Inshore waters from Great Mercury Island to Mayor Island to Matakana Island.
A weak ridge over the upper North Island drifts northwards today as a trough approaches from the south. The trough crosses the North Island on Thursday, followed by a ridge on Friday. A deep low approaches New Zealand from the west on Saturday and moves over the South Island on Sunday, while the associated front crosses the North Island.
NIL warning for PLENTY
Strong wind advisory. Wednesday: Southwest 15 knots, turning northwest 15 knots this afternoon. Sea slight. Fine with high cloud. Thursday: Northwest 15 knots rising to 25 knots gusting 35 knots in the morning, turning southwest 20 knots afternoon. Sea becoming rough in the morning, easing afternoon. Poor visibility in afternoon rain.
Outlook until midnight Sunday: Friday: Southwest 20 knots, dying out in the evening. Fine. Saturday: Northeast 20 knots developing. Cloud increasing. Sunday: Northerly 30 knots changing southwest 20 knots. Period of rain.
Swell forecast to midnight Sunday: Northerly half a metre, rising to 1 metre for a time on Thursday. Rising to northeast 1 metre on Saturday and northerly 2 metres on Sunday.