Mountain Radio

Latest South Island Weather Forecast

This forecast was transmitted by ZKIB BASE this evening on our 7.30pm voice call  to all of our field sets located in the South Island and Stewart Island.

  

Situation Statement

Issued: 10:44am Sunday 21 Jan

Weak ridging lies across the country, extending from highs lying over the western Tasman Sea and well out over the southern Pacific. A shallow low and associated fronts to the northwest of Northland are expected to drift slowly down across the North Island.


Short Forecast

Issued: 1:22pm Sunday 21 Jan

Valid to: Midnight Monday

Buller, Nelson, Marlborough

Fine spells. Isolated heavy showers about the ranges during the afternoons and evenings.

Westland, Fiordland

Fine spells. Isolated showers developing later today, and rain tomorrow morning for Fiordland and southern Westland.

Canterbury, Otago, Southland

Cloudy periods about the coast. Long fine spells inland, with a few showers in the afternoons and evenings, some heavy. Possible thunderstorms today for eastern Otago and South Canterbury foothills.


Extended Brief Forecast

Issued: 11:15am Sunday

Tuesday

South Island, rain in Fiordland, cloudy periods with isolated afternoon showers elsewhere.

Wednesday

South Island, rain in the west, possibly heavy south of the glaciers. Scattered rain in the south. Fine elsewhere, apart from isolated afternoon or evening showers.

Thursday

South Island, rain in the west, possibly heavy south of the glaciers. Scattered rain in the south. Fine elsewhere, apart from isolated afternoon or evening showers.


Brief Mountain Forecast

Issued at 12:02pm Sunday

Valid to Midnight Monday

South Island

Fiordland National Park:

Cloudy with occasional showers. Rain this evening, possibly heavy, then easing to isolated showers tomorrow afternoon.

Remaining South Island areas:

Fine spells. Isolated showers, mainly during the afternoons and evenings, some may be heavy.

WINDS: Northwesterlies, strong at times about Mt Aspiring and Fiordland.

Freezing Level: Above 3500 metres, but lowering to 3200 metres in the far south for a time overnight.


Extended Mountain Forecast

Issued at: 1:04pm Sunday

South Island

Tuesday:

Rain at times in Fiordland, mainly fine with isolated afternoon showers elsewhere. Northwesterly strengthening, rising to gale in Fiordland.

Freezing Level: Above 3500 metres.

Wednesday:

Rain west of the Divide, isolated afternoon showers elsewhere. Strong or gale northwesterly, easing at lower levels.

Freezing Level: Above 3500 metres.

Thursday:

Rain west of the Divide, isolated afternoon and evening showers elsewhere.Strong northwesterly, dying out at lower levels.

Freezing Level: Above 3500 metres.


Nelson Lakes National Park

Tomorrow - Monday

Issued at: 11:21am Sunday

Cloudy periods. Showers developing in the afternoon, clearing at night.

Freezing level 3700m

Tuesday 23 January

Cloudy periods, isolated showers.

Freezing level 3800m

Wednesday 24 January

Fine spells. Westerlies, strong for a time.

Freezing level  Above 3000 metres.

Thursday 25 January

Mainly fine. Westerlies dying out.

Freezing level  Above 3000 metres.


Canterbury High Country

Tomorrow

Issued at 11:11am Sunday

Morning cloud clearing to mainly fine. However, showers developing about the Main Divide in the morning with a few spreading elsewhere in the afternoon.

Wind at 1000 metres: Northwest 30 km/h.

Wind at 2000 metres: Northwest 40 km/h.

Freezing level: Above 3000 metres.

Tue Jan 23

Mainly fine. However, isolated afternoon showers about the Divide.

Wind at 1000 metres: Northwest 30 km/h.

Wind at 2000 metres: Westerly 40 km/h, rising to 50 km/h in the evening.

Freezing level: Above 3000 metres.

Wed Jan 24

Mainly fine, isolated afternoon showers. Northwesterly becoming strong or gale.

Thu Jan 25

Mainly fine, isolated afternoon and evening showers. Strong or gale northwesterly easing.


Westland Forecast

Issued at: 1:40pm 21 Jan

MONDAY

Partly cloudy with a few showers, more frequent in the afternoon, clearing evening. Light winds.

TUESDAY

Cloudy periods, and isolated afternoon showers inland. Light winds.

WEDNESDAY

Rain south of the glaciers, a few showers elsewhere. Northwesterly.

THURSDAY

Rain in the south easing, a few showers elsewhere clearing. Northwesterly dying out.

FRIDAY

Partly cloudy, a few showers clearing later. Southwesterly breezes.


Southern Lakes

Tomorrow

Issued at 11:11am Sunday

Cloudy periods. Scattered showers developing in the morning, clearing in the evening.

Wind at 1000 metres: Northwest 30 km/h.

Wind at 2000 metres: Northwest 60 km/h, gradually easing to westerly 30 km/h from afternoon.

Freezing level: Above 3000 metres.

Tue Jan 23

Morning cloud the fine. Chance afternoon shower.

Wind at 1000 metres: Northwest 30 km/h, rising to 40 km/h in the evening.

Wind at 2000 metres: Westerly 30 km/h, rising to 50 km/h in the evening.

Freezing level: Above 3000 metres.

Wed Jan 24

Scattered rain, clearing later. Strong or gale northwesterly, easing at lower levels.

Thu Jan 25

Scattered rain, clearing later. Northwesterly dying out.


Mt Aspiring National Park

Tomorrow - Monday 22 January

Issued at: 11:21am Sunday

Rain developing in the morning, easing to a few showers in the afternoon.

Freezing level 3500m

Tuesday 23 January

Cloudy with isolated showers. Rain developing in the evening. Northwesterly rising to gale in the morning.

Freezing level 3700m

Wednesday 24 January

Periods of rain, possibly heavy. Strong or gale northwesterly.

Freezing level  About 3800 metres.

Thursday 25 January

Periods of rain, possibly heavy, easing later. Gale northwesterly, easing at lower levels.

Freezing level  About 3800 metres.


Fiordland National Park

Tomorrow - Monday 22 January

Issued at: 11:21am Sunday

Rain easing to isolated showers in the afternoon.

Freezing level 3500m

Tuesday 23 January

Occasional rain. Northwesterly rising to gale early.

Freezing level 3900m

Wednesday 24 January

Rain, possibly heavy. Northwesterly, gale about the summits.

Freezing level  About 3600 metres.

Thursday 25 January

Periods of rain. Strong or gale northwesterly, dying out at lower levels.

Freezing level  About 3800 metres.


Southland Forecast

Issued at: 1:40pm 21 Jan

MONDAY

Scattered showers, mainly inland, clearing in the evening. Light winds.

TUESDAY

Mainly fine, isolated afternoon or evening showers. Northwesterlies.

WEDNESDAY

Often cloudy, scattered rain clearing in the evening. Winds mainly light.

THURSDAY

Cloudy periods, scattered rain. Southwesterly developing for a time.

FRIDAY

A few showers. Light winds.


Foveaux

Valid to Midnight Monday 22 Jan

Issued at 12:35pm Sunday

Forecast:

Variable 10 knots. Easterly 15 knots developing for a time late afternoon and early evening. Becoming northeast 15 knots Monday evening. Sea slight. Southwest swell 3 metres offshore, easing.

Three Day Outlook:

Northerly 15 knots, changing early Wednesday southwest 15 knots, turning later Wednesday northerly 15 knots. Rising early Thursday northwest 25 knots with rough sea, changing later Thursday southwest 20 knots. Moderate southwest swell at times.

Our base operators transmit the latest forecast daily at 8.30am and 7.30pm