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: 8:54am Monday 18 Jun

A low and accompanying fronts move over the country today from the west, bringing more unsettled weather to central and northern New Zealand. Meanwhile, a front moves onto the far south overnight tonight.


Short Forecast

Issued: 2:03pm Monday 18 Jun

Valid to: Midnight Tuesday 19 Jun

Whanganui to Wellington, also Wairarapa, Marlborough and Nelson

Periods of rain, with heavy falls, easing to showers in Wairarapa, Wellington and coastal Marlborough tomorrow morning and clearing elsewhere.

Buller

Patchy rain until dawn tomorrow, then mainly fine.

Westland and Fiordland

Fine, with high cloud today.

Canterbury, Otago and Southland

Low cloud, especially in the east. Patchy drizzle developing later today then becoming confined to the coast tomorrow.


Extended Brief Forecast

Issued: 2:09pm Monday 18 Jun

Wednesday

South Island, cloudy with showers in Canterbury and coastal Marlborough. Fine elsewhere, apart from morning frosts, and areas of cloud persisting in some valleys.

Thursday

South Island, mainly fine apart from morning frosts, and isolated showers in Canterbury and coastal Marlborough. Also areas of cloud may persist in some valleys.

Friday

South Island, rain or showers west of the main divide. Fine with high cloud elsewhere.


Brief Mountain Forecast

Issued at 12:31pm Monday 18 Jun  

Valid to Midnight Tuesday 19 Jun

South Island

Kahurangi National Park:

Rain becoming heavy and possibly thundery this afternoon with snow to 1200 metres. Rain clearing tomorrow morning.

Kaikoura ranges:

Rain with heavy falls developing this afternoon and snow lowering to 1000 metres in the evening. Rain easing to showers tomorrow morning then clearing early evening.

The Southern Alps:

Fine in the west. Becoming cloudy in the east and drizzle developing this evening then clearing from tomorrow afternoon.

Fiordland mountains:

Fine the west. Patchy drizzle developing in the south and east this evening, clearing tomorrow morning. A few showers developing in the south again tomorrow evening.

WINDS: Southeasterlies, spreading north during the afternoon and evening, strong in exposed places.

Freezing Level: About 1600 metres, lowering to 1200 metres in the east tomorrow.


Extended Mountain Forecast

Issued at: 12:56pm Monday 18 Jun

South Island

Wednesday:

Mainly fine, apart from areas of cloud, also patchy early and late drizzle east of the Divide and the Kaikoura ranges. Winds mainly light, but strong southeasterly in the north at times.

Freezing Level: 1600 metres, sloping to 1200 metres east of the divide.

Thursday:

Fine apart from areas of cloud morning and evening. Patchy morning drizzle east of the main divide. Light winds.

Freezing Level: 1400 metres sloping to 1000 metres in the east.

Friday:

Cloudy periods with showers developing west of the main divide then turning to rain in Fiordland later. Snow to 1000 metres. Westerlies developing then strengthening.

Freezing Level: 1400 metres but 1000 metres in the east at first.


Nelson Lakes National Park

Tomorrow - Tuesday 19 June

Issued at: 11:27am Monday 18 Jun

Windy

Scattered rain clearing to fine spells in the afternoon Snow possible to 1000 metres at first. Southeasterlies, gale in exposed places.

Freezing level 1200m

Wednesday 20 June

Windy

Fine spells. Southeasterlies, gale in exposed places, easing in the morning.

Freezing level 1200m

Thursday 21 June

Partly cloudy

Morning cloud then fine spells. Light winds.

Freezing level  Lowering to 1000 metres.

Friday 22 June

Partly cloudy

Morning cloud then fine. Southwesterlies developing.

Freezing level  Rising to 1400 metres.


Canterbury High Country

Tomorrow

Issued at 11:13am Monday 18 Jun

Drizzle gradually clearing by afternoon and fine spells developing. Cloud returning in the evening with drizzle overnight.

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

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

Freezing level: Lowering to 1100 metres.

Wed Jun 20

Patchy drizzle developing in the morning, clearing to fine spells in the afternoon.

Wind at 1000 metres: Southeast 30 km/h dying out in the morning.

Wind at 2000 metres: Southeast 40 km/h easing to 30 km/h in the morning.

Freezing level: Around 1000 metres.

Thu Jun 21

Cloudy periods, with early drizzle about the foothills. Light winds.

Fri Jun 22

Fine apart from areas of cloud in the morning. Winds mainly light.


Westland Forecast

Issued at: 3:38pm 18 Jun

TUESDAY

19 JUN

A fine day with early frosts inland. Southeasterlies.

WEDNESDAY

20 JUN

A fine day with early frosts. Southeasterlies dying out.

THURSDAY

Mainly fine with early frosts. Light winds.

FRIDAY

22 JUN

Cloudy periods with a few showers developing near the coast. Southwesterlies.

SATURDAY

23 JUN

Showers turning to rain. Northerlies developing.


Southern Lakes

Tomorrow

Issued at 11:13am Monday 18 Jun

Cloud and patchy drizzle clearing to fine spells in the morning. Cloud returning in the evening.

Wind at 1000 metres: Light winds.

Wind at 2000 metres: Southeast 30 km/h.

Freezing level: Lowering to 1000 metres.

Wed Jun 20

Mainly fine but low cloud or fog may persist in some sheltered valleys.

Wind at 1000 metres: Light winds.

Wind at 2000 metres: Southeast 30 km/h dying out in the morning.

Freezing level: Around 1000 metres.

Thu Jun 21

Afternoon fine spells, but areas of cloud may persist in some valleys. Winds mainly light.

Fri Jun 22

Fine apart from areas of cloud in the morning. Winds mainly light.


Mt Aspiring National Park

Tomorrow - Tuesday 19 June

Issued at: 6:59am Monday 18 Jun

Windy

Mainly fine, apart from areas of morning cloud. Southeasterlies, gale about the tops until afternoon.

Freezing level 1200m

Wednesday 20 June

Partly cloudy

Mainly fine but cloud persists in some valleys.

Freezing level 1200m

Thursday 21 June

Partly cloudy

Mainly fine but cloud persists in some valleys. Light winds, but southeasterly about the tops.

Freezing level  Lowering to 1200 metres.

Friday 22 June

Rain

Cloud increasing and rain developing. Snow to 1000 metres. Westerlies developing.

Freezing level  Becoming 1400 metres everywhere.


Fiordland National Park

Tomorrow - Tuesday 19 June

Issued at: 6:57am Monday 18 Jun

Windy

Fine about the Fiords. Cloud and patchy drizzle about the lakes, clearing to fine spells in the morning. Gale southeasterlies in exposed places, easing in the morning.

Freezing level 1600m

Wednesday 20 June

Partly cloudy

Mainly fine, cloudy periods about the Lakes.

Freezing level 1800m

Thursday 21 June

Partly cloudy

Mainly fine, cloudy periods about the Lakes. Southeasterly dying out.

Freezing level  Lowering to 1200 metres.

Friday 22 June

Rain

Cloud increasing and rain developing. Snow to 1000 metres. Westerlies developing.

Freezing level  Rising to 1400 metres.


Southland Forecast

Issued at: 1:20pm 18 Jun

TUESDAY

19 JUN

Patchy drizzle clearing before dawn to a fine and frosty morning. However, cloud increasing and isolated showers developing about Stewart Island late morning, spreading to the Mainland in the afternoon. Southwesterly dying out.

WEDNESDAY

20 JUN

Fine with early frosts inland, cloudy periods with isolated showers about the coast. Light winds.

THURSDAY

21 JUN

Fine with early frosts inland, cloudy periods with isolated showers about the coast. Light winds.

FRIDAY

22 JUN

Morning cloud then fine. Cloud increasing later with rain developing about Stewart Island. Light winds,westerlies about the coast.

SATURDAY

23 JUN

Cloudy with rain about Stewart Island. Northwesterlies.


Foveaux

Valid to Midnight Tuesday 19 Jun

Issued at 12:36pm Monday 18 Jun

Forecast:

Southeast rising to 15 knots this afternoon. Changing southwest 20 knots Tuesday morning, then easing to variable 10 knots late Tuesday evening. Sea becoming moderate for a time. Southwest swell rising to 3 metres. Northeast swell 1 metre, easing. Fair visibility in patchy drizzle.

Three Day Outlook:

Variable 10 knots. Becoming Thursday westerly 15 knots, rising Friday morning northwest 25 knots with rough sea. Moderate southerly swell.

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