Mountain Radio

Latest South Island Weather Forecast

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


Situation Statement

Issued: 12:22am Wednesday 21 Nov

A broad complex trough, with several lows and fronts, affects  New Zealand for the next couple of days.


Short Forecast

Issued: 4:13am Wednesday 21 Nov

Valid to: Midnight Wednesday 21 Nov

Marlborough, Nelson, Buller, northern Westland

Fine spells and isolated showers. Showers becoming more frequent and heavier inland in the afternoon and evening, with possible thunderstorms and hail.

Remainder of Westland, Fiordland

Mainly fine.

Canterbury, Otago, Southland

Fine apart from areas of coastal cloud. However, rain developing from late morning from the east.


Extended Brief Forecast

Issued: 11:20pm Tuesday 20 Nov

Thursday

South Island, areas of morning cloud, and showers in the east. Becoming mainly fine in the afternoon with isolated showers about the higher grounds.

Friday

South Island, mainly fine with areas of morning cloud and isolated showers from afternoon.

Saturday

South Island, rain in the north, scattered rain elsewhere but just isolated showers in Fiordland.


Brief Mountain Forecast

Issued at 3:40am Wednesday 21 Nov  

Valid to Midnight Wednesday 21 Nov

South Island

Kahurangi to Arthurs Pass National Park, also the Kaikoura Ranges: Scattered afternoon and evening showers, some heavy with hail and possible thunderstorms. Snow to about 1300 metres. Northerlies.

Remainder of the Southern Alps, and Fiordland:

Fine, but rain from evening, mainly about the eastern slopes. Snow to 1800 metres. Strong northeasterlies, easing this afternoon.

Freezing Level: 1600 metres, rising to 2400 metres in the south this evening.


Extended Mountain Forecast

Issued at: 3:40am Wednesday 21 Nov

South Island

Thursday:

Areas of morning cloud, with rain east of the Divide, south of Arthur's Pass, then mainly fine with isolated afternoon showers. Snow down to 1600 metres at first. Winds mainly light, but strong southeasterly south of Mt Cook at first.

Freezing Level: 1800 metres in the north and 2400 metres in fiordland, rising to 2200 metres in the north.

Friday:

Areas of morning cloud then mainly fine with isolated afternoon showers. Rain developing in the north and west of the Divide at night. Light winds, northeasterly later.

Freezing Level: 2400 metres in the far south, rising above 3000 metres in the north.

Saturday:

Periods of rain in the north, scattered rain elsewhere but isolated showers and afternoon fine spells in Fiordland. Northeasterlies.

Freezing Level: Above 3000 metres in the north, sloping to 2600 metres in the south.


Nelson Lakes National Park

Today - Wednesday 21 November

Issued at: 11:05pm Tuesday 20 Nov

Showers

Cloudy periods and showers, more frequent from afternoon, and some heavy with possible thunderstorms. Snow down to 1600 metres at times.

Freezing level 1900m

Tomorrow - Thursday 22 November

Few showers

Cloudy periods and isolated showers.

Freezing level 2300m

Friday 23 November

Few showers

Morning cloud then fine spells and isolated showers. Northerlies developing.

Saturday 24 November

Showers

Cloudy periods, with rain at times. Northeasterlies.

Freezing level  Above 3000 metres.

Sunday 25 November

Rain

Rain, possibly heavy. Winds turning strong southeasterly, easing later.

Freezing level  About 3000 metres.


Canterbury High Country

Today

Issued at 11:03pm Tuesday 20 Nov

Fine at first, with frosts in sheltered places. Scattered rain developing in the afternoon, with some heavy falls in the south and snow lowering to 1500 metres there.

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

Wind at 2000 metres: Northeast 50 km/h, gradually dying out from late morning.

Freezing level: 1400 metres, gradually rising to 2000 metres.

Tomorrow

Areas morning cloud, then fine apart from isolated afternoon showers.

Wind at 1000 metres: Light.

Wind at 2000 metres: Light.

Freezing level: 2000 metres, gradually rising to 2500 metres.

Fri Nov 23

Areas of morning cloud then mainly fine with isolated showers from afternoon. Northeasterlies developing.

Sat Nov 24

Cloudy periods with scattered rain. Northeasterlies.

Sun Nov 25

Rain, possibly heavy. Winds turning easterly, strong or gale about the tops for a time.


Westland Forecast

Issued at: 4:10am 21 Nov

WEDNESDAY

21 NOV

Fine until afternoon, then scattered showers north of Hokitika, and high cloud further south. Light winds.

THURSDAY

22 NOV

Early morning cloud and light a shower or two, then fine apart from afternoon and evening showers about the ranges. Light winds.

FRIDAY

23 NOV

Mainly fine with morning cloud, and isolated showers about the ranges from afternoon. Rain developing overnight. Northeasterlies.

SATURDAY

24 NOV

Scattered rain. Easterlies developing.

SUNDAY

25 NOV

Rain at times. Winds turning northeast.

MONDAY

26 NOV

Rain with light winds.


Southern Lakes

Today

Issued at 11:03pm Tuesday 20 Nov

Fine with morning frosts, then cloud increasing from afternoon and scattered evening rain.

Wind at 1000 metres: Easterly 50 km/h, dying out in the morning

Wind at 2000 metres: Northeast gale 70 km/h, gradually dying out from late morning.

Freezing level: 1400 metres, gradually rising to 2200 metres.

Tomorrow

Fine apart from isolated afternoon and evening showers.

Wind at 1000 metres: Light.

Wind at 2000 metres: Light.

Freezing level: 2200 metres, gradually rising to 2600 metres.

Fri Nov 23

Areas of morning cloud then mainly fine. Northeasterlies developing.

Sat Nov 24

Scattered rain but afternoon fine breaks. Northeasterlies.

Sun Nov 25

Periods of rain. Winds turning strong or gale southeast.


Mt Aspiring National Park

Today - Wednesday 21 November

Issued at: 11:05pm Tuesday 20 Nov

Partly cloudy

Morning cloud clearing to fine, but cloud increasing again from evening. Gale southeasterly about the summit, before dawn.

Freezing level 1800m

Tomorrow - Thursday 22 November

Partly cloudy

Fine apart from morning cloud.

Freezing level 2400m

Friday 23 November

Few showers

Morning cloud then mainly fine with isolated showers. Rain developing at night. Northeasterlies developing.

Saturday 24 November

Showers

Cloudy periods, scattered rain. Northeasterly.

Freezing level  About 2600 metres.

Sunday 25 November

Windy

Rain at times, with snow to 2200 metres. Winds turning easterly, gale about the tops.

Freezing level  About 2600 metres.


Fiordland National Park

Today - Wednesday 21 November

Issued at: 11:05pm Tuesday 20 Nov

Windy

Mainly fine, but an evening shower or two inland. Southeasterly gales in exposed places, easing by dawn.

Freezing level 2000m

Tomorrow - Thursday 22 November

Partly cloudy

Fine apart from isolated afternoon showers.

Freezing level 2800m

Friday 23 November

Windy

Morning cloud then mainly fine with isolated showers. Northeasterlies rising to gale about the west coast.

Saturday 24 November

Few showers

Cloudy periods and isolated showers. Strong northeast, easing for a time.

Freezing level  About 2600 metres.

Sunday 25 November

Windy

Cloudy periods, scattered rain with snow to 2300 metres. Southeasterly rising to gale.

Freezing level  About 2600 metres.


Southland Forecast

Issued at: 6:26am 21 Nov

WEDNESDAY

21 NOV

Fine until early afternoon, then cloud increasing and scattered rain developing. Easterlies about the coast and Stewart Island, else light winds.

THURSDAY

22 NOV

Often cloudy with showers until late morning, then showers becoming isolated and fine spells increasing. Light winds.

FRIDAY

23 NOV

Areas of morning cloud then mainly fine, isolated showers from afternoon. Easterlies developing.

SATURDAY

24 NOV

Scattered rain but afternoon fine breaks. Easterlies.

SUNDAY

25 NOV

Scattered rain. Southeasterlies, becoming strong about the coast.

MONDAY

26 NOV

Rain with easterlies.


Foveaux

Valid to Midnight Wednesday 21 Nov

Issued at 4:42am Wednesday 21 Nov

Forecast:

Southeast 35 knots, easing to 15 knots this morning. Southeast rising to 25 knots east of Slope Point this evening. Very rough sea, easing. Southeast swell 4 metres, easing.Southwest swell 2 metres,easing.Poor visibility in rain or showers,easing overnight.

Three Day Outlook:

Turning Thursday afternoon northeast 25 knots with rough sea. Moderate southwest swell, easing .Moderate southeast swell easing Thursday.



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