Mountain Radio

Latest South Island Weather Forecast

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


Situation Statement

Issued: 12:08pm Sunday 20 Jan

A front preceded by strong northwesterlies moves onto the South Island this afternoon and reaches Cook Strait early tomorrow morning. The front moves up the North Island tomorrow followed by a strong southwest flow.


Short Forecast

Issued: 3:59pm Sunday 20 Jan

Valid to: Midnight Monday 21 Jan

Nelson, Marlborough and Canterbury

Fine apart from isolated afternoon or evening showers about Marlborough and Canterbury tomorrow.

Buller to Fiordland

Showers, turning to rain for a time in Fiordland today, and in Westland and Buller this evening and tomorrow morning.

Otago and Southland

Occasional showers, frequent about coastal Southland and Clutha. Westerly gales about coastal areas south of Dunedin.


Extended Brief Forecast

Issued: 1:20pm Sunday 20 Jan

Tuesday

South Island, Rain in the west, mainly fine elsewhere. Gale northwesterlies developing in the south.

Wednesday

South Island, Rain in the west with some heavy falls, with scattered falls developing further east. Gale northwesterlies turning lighter southwest.

Thursday

South Island, Rain gradually easing to isolated showers, becoming fine in Westland.

Friday

Mainly fine, apart from isolated showers about South Island ranges.


Brief Mountain Forecast

Issued at 12:39pm Sunday 20

Valid to Midnight Monday 21 Jan

South Island

Kaikoura ranges:

Mostly fine. A shower or two possible tomorrow afternoon or evening.

Kahurangi and Nelson Lakes National Parks:

Showers, turning to rain for a time tomorrow morning.

The Southern Alps and Fiordland:

Rain, turning to showers in Fiordland this evening, and elsewhere overnight or in the morning. Snow to 1400 metres in Fiordland for a time. Rain returning to Fiordland tomorrow night. WINDS: Westerlies, gale or severe gale.

Freezing Level:

3500 metres in the north, sloping to 1600 metres in the south. lifting to 2200 metres in the south tomorrow.


Extended Mountain Forecast

Issued at: 12:44pm Sunday 20

South Island

Tuesday:

Often cloudy with periods of rain. However, fine about the Kaikoura ranges. Westerlies,rising to gale or severe gale in the south.

Freezing Level: Rising above 3000 metres everywhere.

Wednesday:

Periods of rain with possibly heavy falls. Falling as snow to about 2000 metres about Mt Cook and 1000 metres in Fiordland. However, cloudy periods with a few spots of late rain about the Kaikoura ranges. Gale or severe gale northwesterlies, changing lighter southwesterly.

Freezing Level:

Above 3000 metres in the north, sloping to 2500 metres about mt cook and to 1300 metres in southern fiordland.

Thursday:

Occasional rain. Easing to isolated showers about the Kahurangi and Nelson Lakes National Parks and Fiordland in the morning, becoming mainly fine elsewhere.

Freezing Level: Lowering to 2000 metres in the north, sloping to 1300 metres in fiordland.


Nelson Lakes National Park

Tomorrow - Monday 21 January

Issued at: 12:17pm Sunday 20

Windy

Rain easing to showers in the morning and clearing in the evening. Gale westerlies, but severe gale in exposed places in the morning.

Freezing level 3400m

Tuesday 22 January

Windy

Partly cloudy, isolated showers. Gale southwesterlies in exposed places.

Freezing level 3800m

Wednesday 23 January

Windy

Rain setting in, with possibly heavy falls, easing at night. Westerlies rising to gale.

Freezing level  Above 3000 metres.

Thursday 24 January

Windy

Partly cloudy with isolated showers, clearing later. Southwesterlies, gale at first, easing.

Freezing level  Lowering to 1800 metres.


Canterbury High Country

Tomorrow

Issued at 11:40am Sunday 20

Showers about the Divide, becoming isolated in the afternoon and clearing in the evening. Morning high cloud clearing to a fine day further east.

Wind at 1000 metres: Westerly gale 75 km/h easing to 65 km/h in the evening.

Wind at 2000 metres: Westerly severe gale 95 km/h, easing to gale 80 km/h in the evening.

Freezing level: Above 3000 metres north of Mt Cook. 2600 metres in the south.

Tue Jan 22

A few showers developing about the Divide in the morning, turning to rain afternoon. Fine in the east.

Wind at 1000 metres: Westerly gale 80 km/h rising to severe gale 100 km/h from afternoon.

Wind at 2000 metres: Westerly gale 90 km/h rising to severe gale 110 km/h from afternoon.

Freezing level: Rising to above 3000 metres everywhere in the morning.

Wed Jan 23

Rain about the Divide with heavy falls, and scattered falls farther east, easing at night. Strong or gale northwesterlies, turning lighter southwest.

Thu Jan 24

Becoming fine about the Divide, with scattered rain in the east gradually clearing. Southwesterlies, easing later.


Westland Forecast

Issued at: 5:00pm 20 Jan

MONDAY

21 JAN

Rain easing to a few showers in the morning. Showers becoming confined to higher ground in the afternoon with fine spells increasing elsewhere. Southwesterlies, strong in exposed places.

TUESDAY

22 JAN

Often cloudy with a few showers, turning to rain in the afternoon. Westerlies.

WEDNESDAY

23 JAN

Periods of rain, some heavy falls, easing overnight. Northwesterlies, turning southwest.

THURSDAY

24 JAN

Few spots of early rain, then becoming fine. Southwesterlies, dying out later.

FRIDAY

25 JAN

Mainly fine, apart from isolated afternoon showers inland. Light winds.


Southern Lakes

Tomorrow

Issued at 11:40am Sunday 20

Partly cloudy, but showers about the headwaters clearing in the afternoon.

Wind at 1000 metres: Westerly 50 km/h rising to gale 65 km/h for a time in the afternoon.

Wind at 2000 metres: Westerly gale 75 km/h.

Freezing level: 2100 metres, rising to 2500 metres toward evening.

Tue Jan 22

Mainly fine, but a few showers about the headwaters.

Wind at 1000 metres: Westerly 50 km/h rising to gale 80 km/h in the afternoon.

Wind at 2000 metres: Westerly gale 75 km/h, rising to severe gale 110 km/h in the afternoon.

Freezing level: Rising to above 3000 metres in the morning.

Wed Jan 23

Rain setting in, with heavy falls about the headwaters, easing at night. Gale northwesterlies, turning lighter southwest.

Thu Jan 24

A few spots of morning rain, then becoming fine. Southwesterlies easing.


Mt Aspiring National Park

Tomorrow - Monday 21 January

Issued at: 12:17pm Sunday 20

Showers gradually clearing. Snow to 1800 metres at first. Gale southwesterlies, severe gale in exposed places.

Freezing level 2000m

Tuesday 22 January

Windy

Periods of rain, with possibly heavy falls later. Snow to 2500 metres at first. Gale westerlies, severe in exposed places.

Freezing level 3200m

Wednesday 23 January

Windy

Rain, possibly heavy, easing later. Snow lowering to 1500 metres. Northwest gales, easing later.

Freezing level  Lowering to 1800 metres.

Thursday 24 January

Few showers

A few early showers, then becoming fine. Westerlies turning southerly.

Freezing level  Rising to 2100 metres.


Fiordland National Park

Tomorrow - Monday 21 January

Issued at: 12:17pm Sunday 20

Windy

Showers, turning to rain in the evening. Snow to 1400 metres at first, lifting to 1900 metres. Gale westerlies.

Freezing level 1600m

Tuesday 22 January

Windy

Periods of rain, with possibly heavy falls later. Gale northwesterlies, severe in exposed places.

Freezing level 3000m

Wednesday 23 January

Windy

Rain, possibly heavy. Snow lowering to 1000 metres. Northwest gales, easing later.

Freezing level  Lowering to 1500 metres but 1300 metres in the south.

Thursday 24 January

Few showers

Rain easing to a few showers early, then clearing later. Falling as snow to 1000 metres at first. Westerlies turning southwest.

Freezing level  Rising to 2000 metres in the north but 1200 metres in the south.


Southland Forecast

Issued at: 5:00pm 20 Jan

MONDAY

21 JAN

Showers, becoming confined to the coast in the afternoon with fine spells increasing elsewhere. Strong westerlies, gale about the coast and gusting 110 km/h, easing in the evening.

TUESDAY

22 JAN

A few showers about the coast, becoming confined to Stewart Island in the morning, otherwise fine. Westerlies,strong or gale in exposed places.

WEDNESDAY

23 JAN

Occasional rain developing, chance heavy with a souterly change, easing at night.

THURSDAY

24 JAN

A few showers, clearing later. Southwesterlies, easing later.

FRIDAY

25 JAN

Partly cloudy. Westerlies.


Foveaux

Valid to Midnight Monday 21 Jan

Issued at 4:42pm Sunday 20 Jan

Forecast:

Westerly 45 knots, easing to 35 knots this evening. High sea,easing. Westerly swell 4 metres at times. Northeast swell 2 metres, easing.

Three Day Outlook:

Westerly easing early Tuesday 25 knots,then rising Tuesday afternoon 40 knots with very rough sea. Changing early Wednesday southwest 25 knots, easing late Thursday 15 knots.Heavy westerly swell, easing Wednesday, becoming heavy again for a time Thursday.


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