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: 10:43am Sunday

An anticyclone covers Aotearoa New Zealand. A low is developing to the north of the North Island and is moving southeast. A cold front is weakening as it approaches the southwest of the South Island tonight.


Short Forecast

Issued: 1:24pm Sunday

Valid to: Midnight Monday

Nelson, Buller, Marlborough and Canterbury

Fine. However, areas of morning and evening low cloud or fog.

Westland

Mainly fine, apart from isolated showers this afternoon and evening.

Fiordland, Otago and Southland

Cloud increasing. Occasional rain about Fiordland, with scattered falls spreading elsewhere overnight.


Extended Brief Forecast

Issued: 10:31am Sunday

Tuesday

South Island, a few showers about and west of the Main Divide, mainly fine elsewhere.

Wednesday

South Island, mainly fine, but drizzle or rain developing in Westland and Fiordland.

Thursday

South Island, rain or showers west of the Main Divide, as well as south of Christchurch. Mainly fine elsewhere.

Friday

Rain developing everywhere for a time with heavy falls possible for Northland, Taranaki, Nelson, Buller, Westland and Fiordland.


Brief Mountain Forecast

Issued at 12:32pm Sunday

Valid to Midnight Monday

South Island

Fiordland National Park to Mt Aspiring National Park:

Mostly cloudy and occasional drizzle or rain. Possible heavy falls about Fiordland this evening until tomorrow morning. Remaining South Island Parks:

Cloudy periods west of the main divide. Elsewhere, fine apart from areas of low cloud or fog morning and night.

Winds: Mainly light. However, strong northwesterlies with gales in exposed places about Fiordland, easing tomorrow.

Freezing Level: About 2800 metres, lowering to 2200 metres in fiordland for a time this evening until tomorrow morning.


Extended Mountain Forecast

Issued at: 1:15pm Sunday

South Island

Tuesday:

Cloudy periods and a few showers about and west of the Main Divide, fine or becoming fine elsewhere. Northwesterlies developing, strengthening in the far south.

Freezing Level: About 2800 metres.

Wednesday:

Rain or drizzle developing about and west of the Main Divide, but mainly fine north of Arthur's Pass and in the east. Northwesterlies rising to strong or gale.

Freezing Level: Rising to above 3000 metres.

Thursday:

Rain, with heavy falls developing about and west of the Main Divide, with scattered rain falling south of Coleridge Lake. Gale northwesterlies.

Freezing Level: Above 3000 metres.


Nelson Lakes National Park

Tomorrow - Monday 24

Issued at: 11:05am Sunday

Morning cloud clearing to fine.

Freezing level 2700m

Tuesday 25 April

Fine, with areas of morning and evening cloud.

Freezing level 2600m

Wednesday 26

Morning cloud then fine. Northwesterlies developing.

Freezing level  Rising above 3000 metres.

Thursday 27

Mostly cloudy, with a few showers developing later. Strong or gale northwesterlies.

Freezing level  Above 3000 metres.


Canterbury High Country

Tomorrow

Issued at 11:01am Sunday

Fine apart from morning and evening cloud.

Wind at 1000 metres: Southwesterlies 25 km/h dying out in the afternoon.

Wind at 2000 metres: Southwesterlies 35 km/h dying out in the afternoon.

Freezing level: About 2500 metres.

Tue Apr 25

Becoming fine.

Wind at 1000 metres: Light winds. Northwesterlies 20 km/h developing in the evening.

Wind at 2000 metres: Northwesterlies 20 km/h.

Freezing level: About 2800 metres.

Wed Apr 26

Mainly fine. Strong northwesterlies.

Thu Apr 27

Occasional rain about the Main Divide, with a few spots falling elsewhere later. Gale or severe gale northwesterlies.


Westland Forecast

Issued at: 4:30pm

MONDAY

Morning cloud clearing and becoming fine. Southwesterlies dying out.

TUESDAY

Cloud increasing, with isolated showers from afternoon.Light winds.

WEDNESDAY

Mostly cloudy, with occasional drizzle. Northeasterlies developing.

THURSDAY

Drizzle turning to rain. Northeasterlies, strengthening about the coast.

FRIDAY

Rain, with heavy falls possible. Northeasterlies, strong about the coast.


Southern Lakes

Tomorrow

Issued at 4:30pm Sunday

Scattered rain developing early morning, clearing in the afternoon but remaining cloudy. Snow lowering to 1800 metres for a time.

Wind at 1000 metres: Westerly 40 km/h, dying out in the afternoon

Wind at 2000 metres: Southwesterlies 45 km/h, dying out in the afternoon.

Freezing level: 2200 metres, rising to 2600 metres.

Tue Apr 25

Mainly fine.

Wind at 1000 metres: Light winds. Northwesterlies 20 km/h developing in the evening.

Wind at 2000 metres: Northwesterlies 20 km/h, rising to 30 km/h in the evening.

Freezing level: About 2800 metres.

Wed Apr 26

Mainly fine. Northwesterlies rising to gale.

Thu Apr 27

Rain, with heavy falls about the Headwaters, and snow lowering to 2200 metres. Scattered falls elsewhere. Gale or severe gale northwesterlies.


Mt Aspiring National Park

Tomorrow - Monday 24 April

Issued at: 11:05am Sunday

Cloudy with showers, becoming isolated in the afternoon. Snow lowering to 2000 metres for a time early morning.

Freezing level 2600m

Tuesday 25 April

Cloudy periods, isolated showers.

Freezing level 2600m

Wednesday 26

Mostly cloudy, with light rain or drizzle developing later. Strong or gale northerlies.

Freezing level  About 2800 metres.

Thursday 27

Occasional rain. Gale or severe gale northwesterlies.

Freezing level  Lowering to 2600 metres.


Fiordland National Park

Tomorrow - Monday

Issued at: 11:05am Sunday

Rain easing to a few showers in the afternoon. Snow down to 1800 metres for a time.

Freezing level 2400m

Tuesday 25 April

Cloudy periods, a few showers.

Freezing level 2600m

Wednesday 26 April

A few showers turning to rain in the evening. Gale or severe gale northerlies.

Freezing level  About 2600 metres.

Thursday 27 April

Rain, with heavy falls possible. Gale or severe gale northerly.

Freezing level  About 2600 metres.


Southland Forecast

Issued at: 4:30pm 23

MONDAY

Scattered rain, clearing in the afternoon but remaining cloudy. Southerlies dying out.

TUESDAY

Morning cloud clearing to fine. Light winds.

WEDNESDAY

Mainly fine. Northerlies.

THURSDAY

Mostly cloudy, with scattered rain developing later. Northerlies.

FRIDAY

Scattered rain. Northwesterlies turning southwesterly later.


Foveaux

Valid to Midnight Monday 24

Issued at 4:42pm Sunday

Forecast:

Northwest 25 knots, rising to 35 knots this afternoon. Changing southerly 15 knots this evening, then turning easterly 15 knots Monday morning. Sea becoming very rough for a time.Southwest swell rising to 3 metres. Poor visibility in rain for a time this evening.

Three Day Outlook:

Developing Tuesday morning northeast 15 knots. Moderate southwest swell, easing Thursday.


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