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: 12:26am Wednesday 25 Apr

A ridge extends onto New Zealand from the Tasman Sea today. A warm front brushes the far south during the afternoon.


Short Forecast

Issued: 4:39am Wednesday 25 Apr

Valid to: Midnight Wednesday

Nelson, Marlborough and Canterbury

Fine.

Otago and Southland

Fine spells. A few spots of rain late afternoon or evening.

Buller and Westland

Fine, apart from isolated showers morning and night.

Fiordland

A few showers, turning to rain this evening.


Extended Brief Forecast

Issued: 11:33pm Tuesday

Thursday

South Island, cloud increasing, with rain or showers for the west coast.

Friday

South Island, cloudy with rain in the west and south, possibly heavy, spreading into the east later.

Saturday

Unsettled with rain for most of New Zealand with heavy falls possible over the South Island and North Island north of Taupo.


Brief Mountain Forecast

Issued at 3:42am Wednesday

Valid to Midnight Wednesday

South Island

Kaikoura ranges:

Fine, with high cloud at times.

Kahurangi and Nelson Lakes National Parks, and the Southern Alps north of Mt Aspiring National Park:

Fine apart from isolated morning showers.

Mt Aspiring National Park and the Fiordland Mountains:

A few showers, turning to rain this evening.

WINDS: Westerlies, rising to gale in exposed places from Mount Aspiring southwards this evening.

Freezing Level: 2400 metres, rising to 3000 metres this afternoon.


Extended Mountain Forecast

Issued at: 3:47am Wednesday 25 Apr

South Island

Thursday:

Cloud increasing later, with showers developing in the west and south. Northwesterlies rising to severe gale in the far south.

Freezing Level: Rising to 3500 metres in the north and to 3000 metres in the south.

Friday:

Rain developing, with heavy falls later. Snow lowering to 1000 metres in the south.

Freezing Level: 3000 metres, lowering to 1300 metres in the south.

Saturday:

Periods of rain with heavy falls possible. Snow to 1000 metres in the far south. Gale northwesterlies changing southerly at low levels.

Freezing Level: 3000 metres, lowering to 1200 metres in the south.


Nelson Lakes National Park

Today - Wednesday 25 April

Issued at: 10:41pm Tuesday

partly-cloudy

Cloudy periods.

Freezing level 3100m

Tomorrow - Thursday

Fine apart from some morning and evening cloud.

Freezing level 3200m

Friday 27 April

Periods of rain with heavy falls possible. Northerlies rising to gale.

Saturday 28 April

Periods of rain with heavy falls possible. Strong or gale northeasterlies easing.

Freezing level  Above 3000 metres.

Sunday 29 April

Periods of rain. Easterlies developing.

Freezing level  About 3000 metres.


Canterbury High Country

Today

Issued at 6:25am Wednesday 25 Apr

Mainly fine with some high cloud. A few spots of rain developing south of Lake Tekapo this evening.

Wind at 1000 metres: Westerly 40 km/h.

Wind at 2000 metres: Southwest 50 km/h but 30 km/h in the north.

Freezing level: 2600 metres, rising to above 3000 metres in the afternoon.

Tomorrow

Fine, apart from some high cloud and a few spots of rain south of Lake Tekapo, clearing in the morning.

Wind at 1000 metres: Northwest 30 km/h, rising to northerly 50 km/h in the evening.

Wind at 2000 metres: Southwest 30 km/h, turning northwest 30 km/h in the afternoon, then rising to northerly 50 km/h in the evening.

Freezing level: Above 3000 metres.

Fri Apr 27

Becoming cloudy, with rain developing. Heavy falls possible in the west Northwest gale, possibly severe.

Sat Apr 28

Rain with heavy falls possible. Snow to 1800 metres. Gale or severe gale northerlies changing southwest at low levels.

Sun Apr 29

Rain with falls possible, gradually easing. Snow to 1800 metres. Southerlies easing.


Westland Forecast

Issued at: 6:24am 25 Apr

WEDNESDAY

25 APR

Remaining showers clearing this morning, then long fine spells. However, a few showers returning south of the Glaciers this evening. Light winds.

THURSDAY

26 APR

South of the Glaciers: Mostly cloudy with showers,easing in the morning. Elsewhere: Cloudy periods, and isolated showers, clearing in the morning.Light winds, but northerlies developing in the evening.

FRIDAY

27 APR

Rain developing, possibly heavy, easing later. A southerly change.

SATURDAY

28 APR

Rain with heavy falls possible, gradually easing. Southerlies easing.

SUNDAY

29 APR

Rain becoming confined to north of Hokitika and fine spells developing in the south. Easterlies.

MONDAY

30 APR

Showers. Little wind.


Southern Lakes

Today

Issued at 6:25am Wednesday

Cloudy periods. A few spots of rain developing late afternoon.

Wind at 1000 metres: Westerly 30 km/h, rising to northwest 50 km/h in the evening.

Wind at 2000 metres: Westerly 50 km/h, rising to gale 65 km/h in the evening.

Freezing level: 2200 metres, gradually rising to above 3000 metres by evening.

Tomorrow

Mainly fine with variable high cloud, but a few showers about the headwaters.

Wind at 1000 metres: Northwest easing to 30 km/h in the morning, then rising to northerly 45 km/h in the evening.

Wind at 2000 metres: Westerly easing to 40 km/h in the morning, turning northerly 30 km/h in the afternoon, then rising to gale 70 km/h in the evening.

Freezing level: Above 3000 metres.

Fri Apr 27

Cloudy with rain developing. Snow to 1000 metres possibly affecting the Crown range road. Severe gale northwesterly, turning strong southwest later.

Sat Apr 28

Rain at times, chance heavy. Snow to 1000 metres at first. Southerlies easing.

Sun Apr 29

Rain gradually clearing. Southerlies.


Mt Aspiring National Park

Today - Wednesday 25 April

Issued at: 10:41pm Tuesday

Isolated showers becoming more widespread in the evening with snow briefly lowering to 2700 metres. Westerlies rising to gale about higher ground in the evening.

Freezing level 2600m

Tomorrow - Thursday

Showers easing in the morning, but remaining mostly cloudy. Northwesterlies, gale about the tops in the morning and evening.

Freezing level 3100m

Friday 27 April

Periods of rain with some heavy falls. Snow lowering to 1800 metres. Gale northwesterlies, possibly severe gale about the tops changing southwest at low levels then easing.

Saturday 28 April

Periods of rain clearing. Southeasterlies.

Freezing level  Rising above 3000 metres.

Sunday 29 April

Cloudy periods. Southeasterlies.

Freezing level  Lowering to 1400 metres.


Fiordland National Park

Today - Wednesday 25 April

Issued at: 10:41pm Tuesday

A few showers, turning to rain by evening with snow briefly lowering to 2200 metres. Westerlies rising to gale by afternoon.

Freezing level 2400m

Tomorrow - Thursday 26 April

Rain, easing to a few showers in the morning, but remaining mostly cloudy. Westerly gale easing early morning. Northerly gale developing by evening, possibly severe gale at night.

Freezing level 2800m

Friday 27 April

Periods of rain with some heavy falls. Snow lowering to 1000 metres. Gale northwesterlies, possibly severe gale about the tops, turning strong southerly later.

Saturday 28 April

Periods of rain clearing. Snow to 1000 metres. Southeasterlies.

Freezing level  About 1200 metres.

Sunday 29 April

Cloudy periods. Southeasterlies.

Freezing level  Rising to 2000 metres.


Southland Forecast

Issued at: 6:24am 25 Apr

WEDNESDAY

25 APR

Cloudy periods. A few showers about the coast, spreading elsewhere during the afternoon. Northwesterlies, strong in exposed places.

THURSDAY

26 APR

Showers, mainly about the coast, gradually clearing to fine in the morning and afternoon. High cloud returning in the evening. Northwesterlies turning northeast in the afternoon.

FRIDAY

27 APR

Rain becoming widespread with a southerly change.

SATURDAY

28 APR

Rain at times. Southerlies easing.

SUNDAY

29 APR

Rain gradually clearing. Southerlies easing.

MONDAY

30 APR

Rain. Not much wind.


Foveaux

Valid to Midnight Wednesday

Issued at 4:42am Wednesday

Forecast:

Westerly 25 knots, easing to northwest 15 knots late this morning, then gradually rising to northwest 30 knots south of Slope Point this evening. Rough sea,easing for a time. Southwest swell rising to 3 metres.

Three Day Outlook:

Easing early Thursday westerly 20 knots. Developing late Thursday northeast 15 knots.Changing Friday southerly 30 knots. Rough sea easing for a time. Moderate southwest swell. Moderate northeast swell developing offshore Saturday.


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