Mountain Radio

Latest South Island Weather Forecast

This forecast was transmitted by ZKIB BASE this morning on our 8.30am call  to all of our field sets located in the South Island and Stewart Island.


Situation Statement

Issued: 12:20am Wednesday 17

A front moves away to the east of the country this morning, while a couple more fronts move up the country in a disturbed westerly flow.


Short Forecast

Issued: 4:21am Wednesday 17

Valid to: Midnight Wednesday 17

Marlborough and Nelson

Showers, possibly heavy, becoming confined to the ranges this morning. Showers returning to coastal Marlborough in the afternoon.

Buller and Westland

Showers, squally and possibly thundery, easing late afternoon and clearing south of Hokitika.

Canterbury, Otago, Southland and Fiordland

Scattered showers, becoming confined to Fiordland and Southland coast by evening.


Extended Brief Forecast

Issued: 11:12pm Tuesday 16 Jul

Thursday

South Island. Rain developing in the west. Becoming cloudy with patchy light rain in the south. Fine with increasing high cloud elsewhere.

Friday

Rain developing for most, easing to a few showers from the west later.

Saturday

South Island. Rain in the east, but patchy about and south of Oamaru. Mainly fine in the west, but rain clearing north of Buller.


Brief Mountain Forecast

Issued at 3:53am Wednesday 17

Valid to Midnight Wednesday 17

South Island

Kaikoura Ranges:

A few showers in the west with snow lowering to 1000 metres. Mainly fine in the east, but a few showers this afternoon.

Kahurangi and Nelson Lakes National Parks, also the Southern Alps:

Snow showers, squally and possibly thundery north of Arthurs Pass. Showers easing this afternoon and clearing south of Arthurs Pass.

Fiordland:

Snow showers, becoming confined to the south this morning. Winds: Southwesterlies, gale about Kahurangi and Nelson Lakes National Park.

Freezing Level: 1200 metres in the north, sloping to 800 metres in the south.


Extended Mountain Forecast

Issued at: 3:54am Wednesday 17

South Island

Thursday:

Rain developing from the south, with possibly heavy falls later. Falling as snow to about 1200 metres in the south and to 1600 metres in the north. Northwesterlies developing everywhere,strong or gale in exposed places south of Mt Aspiring.

Freezing Level: About 1200 metres, rising to 1900 metres in the north and to 1600 metres in the south.

Friday:

Rain, easing south of Mt Aspiring later. Snow lowering to 1200 metres everywhere.

Freezing Level: Lowering to 1500 metres in the north and to 1000 metres in the south.

Saturday:

Rain north of Mt Cook, falling as snow to about 1200 metres. Partly cloudy in the south. Southeasterlies.

Freezing Level: 1500 metres in the north, sloping to 1000 metres in the south.


Nelson Lakes National Park

Today - Wednesday 17 July

Issued at: 10:52pm Tuesday 16

Few showers

Frequent showers gradually easing. Snow to 1000 metres at first. Westerlies, possibly gale in exposed places until afternoon.

Freezing level 1100m

Tomorrow - Thursday 18 July

Few showers

Cloud increasing, the odd shower.

Freezing level 1100m

Friday 19 July

Showers

Periods of rain, chance heavy, easing later. Falling as snow to about 1500 metres. Northerlies, turning southwest and strengthening later.

Saturday 20 July

Rain

Rain, falling as snow to about 1500 metres, gradually easing. Southeasterlies.

Freezing level  Lowering to about 1600 metres.

Sunday 21 July

Cloudy

Cloudy, possible rain. Southeasterlies dying out.

Freezing level  About 1600 metres.


Canterbury High Country

Today

Issued at 10:48pm Tuesday 16

Scattered rain, gradually clearing from the south by late afternoon and fine spells increasing. Snow to about 600 metres.

Wind at 1000 metres: Light, but westerly 40 km/h north of Artur's Pass, possibly gale 65 km/h in exposed places in the morning.

Wind at 2000 metres: Southwest 40 km/h, but westerly 70 km/h in the morning north of Arthur's Pass.

Freezing level: About 1000 metres.

Tomorrow

Fine and frosty, with increasing high cloud. However, rain gradually spreading north about the Divide,falling as snow to about 700 metres at first.

Wind at 1000 metres: Light.

Wind at 2000 metres: Northwest 40 km/h.

Freezing level: 1000 metres at first, gradually rising to 1700 metres.

Fri Jul 19

Mainly fine in the east, but rain about the Divide with snow to 1400 metres. Rain developing in the east from late morning, with snow lowering to 1200 metres everywhere. Northerlies changing southwest overnight.

Sat Jul 20

Rain, with snow to about 1000 metres. Southerlies.

Sun Jul 21

Rain easing. Southerlies tending northeasterly.


Westland Forecast

Issued at: 6:30am 17 Jul

WEDNESDAY

17 JUL

North of the Glaciers, squally showers with possible thunderstorms, clearing towards evening. In the south, a few showers clearing in the morning to fine. Southwesterlies gradually dying out.

THURSDAY

18 JUL

Cloudy periods and isolated showers, but rain gradually spreading north during the morning and afternoon. Northeasterlies gradually strengthening.

FRIDAY

19 JUL

Rain, turning to showers late as northerlies change southwesterly.

SATURDAY

20 JUL

Showers clearing early, then mainly fine. Southerlies.

SUNDAY

21 JUL

Mainly fine. Light winds.

MONDAY

22 JUL

Fine with light winds.


Southern Lakes

Today

Issued at 10:24pm Tuesday 16

Scattered morning rain, with snow to 600 metres, then becoming fine.

Wind at 1000 metres: Light winds, but westerly 30 km/h in the evening.

Wind at 2000 metres: Southwest 30 km/h.

Freezing level: Around 900 metres.

Tomorrow

Fine and frosty, then cloudy with a few spots of rain from afternoon. However, about the headwaters, periods of rain developing about the morning, falling as snow to about 700 metres at first.

Wind at 1000 metres: Northwest 40 km/h.

Wind at 2000 metres: Northwest 50 km/h, rising to gale 65 km/h for a time afternoon.

Freezing level: 900 metres at first, grdually rising to 1200 metres.

Fri Jul 19

Periods of rain about the headwaters, spreading elsewhere as winds turn southwesterly. Snow lowering to about 1000 metres.

Sat Jul 20

Mostly cloudy with patchy rain. Southerlies dying out.

Sun Jul 21

Becoming fine. Light winds.


Mt Aspiring National Park

Today - Wednesday 17 July

Issued at: 10:52pm Tuesday 16

Few showers

Showers, with snow to about 700 metres, clearing to fine in the morning.

Freezing level 900m

06:00   12:00   18:00   00:00

900m    900m    1000m   900m

Siberia Hut (626m)

Time    Wind    Precipitation   Wind Chill

06:00   W 10km/h        3mm     0°C

12:00   SW 15km/h       0mm     1°C

18:00   SW 15km/h       0mm     -1°C

00:00   W 25km/h        0mm     -3°C

Cascade Saddle (1524m)

Time    Wind    Precipitation   Wind Chill

06:00   W 30km/h        0mm     -12°C

12:00   SW 25km/h       0mm     -11°C

18:00   SW 35km/h       0mm     -13°C

00:00   W 40km/h        0mm     -14°C

Mt Aspiring /Tititea (3033m)

Time    Wind    Precipitation   Wind Chill

06:00   SW 30km/h       0mm     -24°C

12:00   SW 25km/h       0mm     -22°C

18:00   SW 30km/h       0mm     -24°C

00:00   W 35km/h        0mm     -26°C

Tomorrow - Thursday 18 July

Windy

Showers turning to rain from morning, possibly heavy. Falling as snow to about 1000 metres. Northerlies possibly rising to gale for a time afternoon.

Freezing level 1100m

Friday 19 July

Showers

Rain turning to showers, clearing later. Falling as snow to about 1200 metres at first. Winds turning lighter southwesterly.

Saturday 20 July

Partly cloudy

Mainly fine. Southwesterlies.

Freezing level  About 1200 metres.

Sunday 21 July

Fine

Mainly fine light winds.

Freezing level  Rising to 1800 metres.


Fiordland National Park

Today - Wednesday 17 July

Issued at: 10:52pm Tuesday 16

Few showers

A few showers, falling as snow to about 600 metres, easing inland for a time afternoon.

Freezing level 800m

Tomorrow - Thursday 18 July

Windy

Occasional rain, possibly heavy. Falling as snow to about 700 metres at first, then rising to 1300 metres. Northwesterlies, gale in exposed places at times.

Freezing level 1200m

Friday 19 July

Showers

Showers and easing later. Falling as snow to about 1200 metres at first. Winds turning lighter southwesterly.

Saturday 20 July

Few showers

Cloudy periods with isolated showers in the south, mainly fine in the north. Southerlies.

Freezing level  About 1000 metres.

Sunday 21 July

Partly cloudy

Mainly fine. Southerlies dying out, northerlies developing.

Freezing level  Rising to 2000 metres.


Southland Forecast

Issued at: 6:30am 17 Jul

WEDNESDAY

17 JUL

Scattered morning rain, with snow to 600 metres, then becoming fine. However, a few showers remaining about the coast, possibly heavy. Westerlies developing in the morning.

THURSDAY

18 JUL

Fine and frosty, then cloudy with a few spots of rain from afternoon. Westerlies turning northerly in the morning.

FRIDAY

19 JUL

Rain developing morning as winds turn southerly, then becoming patchy later.

SATURDAY

20 JUL

Mostly cloudy, patchy rain clearing. Southerlies easing.

SUNDAY

21 JUL

Mostly cloud, becoming fine. Winds tending northeasterly.

MONDAY

22 JUL

Partly cloudy with light winds.


Foveaux

Valid to Midnight Wednesday 17

Issued at 4:42am Wednesday 17

Forecast:

Variable 10 knots. Southwest 15 knots developing this morning,rising to westerly 25 knots this evening. Sea becoming rough.Southwest swell 3 metres. Northeast swell 2 metres, easing. Fair visibility in showers.

Three Day Outlook:

Turning Thursday northerly 15 knots. Changing Friday morning southwest 15 knots and turning late Saturday southeast 15 knots. Heavy southwest swell offshore,easing Thursday.

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