PERIOD OF HEAVY RAIN FOR BAY OF PLENTY AND NORTHERN GISBORNE A complex low over the north Tasman Sea is moving slowly southeastwards, and should cross the North Island during Friday and Saturday
North Island, Rain easing to showers, becoming isolated in the west and clearing in Bay of Plenty. South Island, Scattered rain in Buller, Marlborough and coastal Canterbury and Otago, clearing. Rain or showers developing later in the west and south.
North Island, Showers spreading east, clearing from the west. South Island, Rain or showers clearing, but a few showers remain in Fiordland and about the south coast.
North Island, A few showers in Gisborne and northern Hawkes Bay clearing, and isolated showers in southern Taranaki and Kapiti. Otherwise mainly fine. South Island, Rain with heavy falls spreading up the west, scattered rain in the east, south of the Mackenzie Basin. Chatham Islands
Showers, some possibly heavy and thundery.
Occasional showers, some heavy. Possible thunderstorms about the ranges.
A few showers.
Periods of rain.
Cloudy. Scattered light rain clearing this morning.
Drizzle turning to rain this morning, with snow above 800 metres at first, then lifting.
Mainly fine with high cloud.
Overcast. Drizzle developing this morning, turning to rain this evening.
Southwest 25 knots, turning easterly 25 knots offshore for a time from late this morning until late afternoon. Sea rough. Southerly swell rising to 2 metres for a time. Northeast swell rising to 3 metres. Poor visibility in rain at times. Areas of fog developing from this afternoon,mainly offshore.
Outlook following 3 days: Southwest 25 knots with rough sea, easing Sunday 15 knots. Becoming Monday northeast 20 knots. Moderate northeast swell, easing Sunday. Moderate southwest swell at times. Moderate southeast swell developing Monday.
Southeast 15 knots becoming southwest 20 knots this afternoon.Sea becoming moderate. Southerly swell rising to 2 metres for a time. Northeast swell rising to 2 metres offshore. Poor visibility in rain at times. Area of fog developing offshore this afternoon.
Outlook following 3 days: Southwest 20 knots, easing late Saturday variable 10 knots. Developing Sunday morning southwest 25 knots with rough sea, easing late Sunday variable 10 knots. Developing Monday northerly 20 knots. Moderate southwest swell at times. Moderate easterly swell at times.
Inshore waters from Lyttelton Harbour to the Waimakariri River mouth.
A broad low pressure system affects much of the country for the next few days, then moves slowly away to the east on Sunday, followed by a narrow ridge. A trough moves onto the South Island from the west on Monday.
NIL warning for CONWAY
Friday: Southwest 10 knots, rising to 15 knots this morning and to 20 knots in the afternoon. Sea becoming moderate. Poor visibility in periods of rain,easing to a few showers in the evening.
Outlook until midnight Monday: Saturday: Southwest 15 knots, gradually dying out. Mostly cloudy, light rain at times. Sunday: Southwest 15 knots developing in the morning, dying out late. A few showers, turning to rain for a time, then clearing. Monday: Northeast 15 knots developing. Fine with increasing high cloud.
Swell forecast to midnight Monday: Easterly 1 metre, rising to 1.5 metres today.