Mountain Radio

Latest South Island Weather Forecast

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

  


Situation Statement

Issued: 12:35am Wednesday

A high over the Tasman Sea extends a ridge onto the South Island today while southerly flow moves up the east of the North Island. The ridge covers the whole country tomorrow.


Short Forecast

Issued: 11:26pm Tuesday

Valid to: Midnight Wednesday

Nelson and Marlborough excluding the Kaikoura Coast

Fine, apart from a few showers about northwest Nelson.

Kaikoura Coast and Canterbury

A few morning showers, then becoming fine around the middle of the day.

Otago and Southland

Mainly fine about Central Otago. The odd shower elsewhere, clearing this afternoon.

Buller, Westland and Fiordland

Mainly fine today. A few morning showers about Buller.


Extended Brief Forecast

Issued: 11:02pm Tuesday

Thursday

South Island, mainly fine, but isolated showers in Buller and western Nelson.

Friday

South Island, showers in Fiordland and about Foveaux Strait turning to rain. Mainly fine elsewhere.

Saturday

South Island, a few showers developing everywhere with rain spreading up the west coast in the morning.


Brief Mountain Forecast

Issued at 4:18am Wednesday

Valid to Midnight Wednesday

South Island

Fiordland:

Partly cloudy.

Remaining South Island mountain areas:

Showers gradually clearing this morning, then becoming fine around the middle of the day. However, a few showers remaining about Kahurangi National Park.

WINDS: Southwesterlies, gale at times in exposed places, easing late morning.

Freezing Level: About 1500 metres, gradually rising to 2000 metres but 3000 metres in the south this evening.


Extended Mountain Forecast

Issued at: 4:19am Wednesday

South Island

Thursday:

Cloudy periods and isolated showers about the Kahurangi National Park. Mainly fine elsewhere. Southerlies, gale north of Arthur's Pass, gradually dying out. Westerlies developing in the south at night.

Freezing Level: Rising above 3000 metres everywhere.

Friday:

Showers developing in Fiordland, then turning to rain. Mainly fine elsewhere. Westerlies, rising to gale or severe gale in the south.

Freezing Level: Above 3000 metres, lowering to 2200 metres in fiordland at night.

Saturday:

Rain spreading north about the main divide, followed by a few showers everywhere and snow lowering to 1100 metres in the evening. Gale westerlies, rising to severe gale for a time.

Freezing Level: Lowering to 1400 metres.


Nelson Lakes National Park

Today - Wednesday

Issued at: 10:40pm Tuesday

Morning cloud and isolated showers clearing to a fine day, cloud increasing in the evening.

Freezing level 2200m

Tomorrow - Thursday

Mainly fine.

Freezing level 3100m

Friday

Fine. Westerlies developing.

Saturday

Showers developing in the morning with snow lowering to 1100 metres. Westerlies, rising to gale in exposed places.

Freezing level  Gradually lowering to 1400 metres.

Sunday

A few showers, turning to rain later, with snow lowering to 1500 metres. Westerlies rising to gale or possibly severe gale in exposed places.

Freezing level  Rising to 1800 metres.


Canterbury High Country

Today

Issued at 4:04am Wednesday

Fine, apart from some morning cloud.

Wind at 1000 metres: Southwest 30 km/h, dying out in the afternoon.

Wind at 2000 metres: Southwest 50 km/h.

Freezing level: 2000 metres, gradually rising to 2800 metres.

Tomorrow

Fine.

Wind at 1000 metres: Light.

Wind at 2000 metres: Southerly 40 km/h.

Freezing level: Rising to 3000 metres.

Fri Oct 20

Fine, apart from cloud increasing in the west in the evening. Westerlies developing, rising to gale or severe gale about higher ground south of Arthur's

Sat Oct 21

A period of rain spreading northwards, followed by occasional showers. A few showers further east and snow lowering to 1100 metres at night. Westerlies, gale or possibly severe gale in exposed places for a time.

Sun Oct 22

A few showers about the main divide, turning to rain later with snow lowering to 900 metres at first. High cloud and a few spots further east. Gale westerlies, rising to severe gale later.


Westlandy Forecast

Issued at: 5:22am 18 Oct

WEDNESDAY

Areas of morning cloud, and a few light showers north of Hokitika, clearing and becoming fine this morning.Light winds.

THURSDAY

Cloudy periods, mainly about the coast. Winds mainly light.

FRIDAY

Cloud increasing. Westerly breezes.

Issued at: 10:20am 17 Oct

Showers

SATURDAY

A period of rain spreading north, followed by showers. Southwesterlies.

SUNDAY

A few showers, turning to rain later. Westerlies.

MONDAY

Rain with westerlies.


Southern Lakes

Today

Issued at 4:04am Wednesday

Fine, apart from some morning cloud.

Wind at 1000 metres: Southwest 30 km/h.

Wind at 2000 metres: Southwest gale 65 km/h easing to 50 km/h in the evening.

Freezing level: Rising to 2800 metres in the morning, then to 3200 metres in the afternoon.

Tomorrow

Mainly fine, some evening cloud.

Wind at 1000 metres: Light.

Wind at 2000 metres: Southwest easing to 30 km/h.

Freezing level: Rising to 3600 metres.

Fri Oct 20

Fine, apart from cloud increasing in the evening. Gale northwesterlies developing, then rising to severe gale in the evening.

Sat Oct 21

Rain followed by showers, with snow settling down to 1100 metres at night. Westerlies, gale or possibly severe gale in exposed places for a time.

Sun Oct 22

A few showers, turning to rain later, with snow lowering to 700 metres at first. Gale southwesterlies, rising to severe gale later.


Mt Aspiring National Park

Today - Wednesday

Issued at: 10:40pm Tuesday

Mainly fine, some morning cloud. Gale southwesterlies easing evening.

Freezing level 2800m

Tomorrow - Thursday 19

Mainly fine, some evening cloud.

Freezing level 3400m

Friday 20 October

Cloud increasing. Showers developing at night. Westerlies rising to gale or possibly severe gale.

Saturday

Showers turning to rain for a time. Snow possibly lowering to 800 metres. Gale or severe gale westerlies.

Freezing level  Lowering to 1100 metres.

Sunday

A few showers, turning to rain later, with snow lowering to 1300 metres. Gale westerlies, rising to severe gale at times.

Freezing level  Rising to 1600 metres.


Fiordland National Park

Today - Wednesday

Issued at: 10:40pm Tuesday

Fine, but cloud about the coast. Gale southwesterlies, easing in the morning.

Freezing level 2800m

Tomorrow - Thursday

Low cloud about the fiords, with drizzle developing there at night. Mainly fine further east.

Freezing level 3500m

Friday

Showers developing in the morning, then turning to rain in the evening and snow lowering to 1200 metres in the south. Northwesterlies rising to gale or severe gale.

Saturday

Showers turning to rain for a time. Snow possibly lowering to 600 metres for a time. Gale westerlies, easing and tending southwest later.

Freezing level  Lowering to 900 metres.

Sunday

A few showers, turning to rain later, with snow lowering to 1100 metres. Southwest turning northwest and rising to gale later.

Freezing level  Rising to 1400 metres.


Southland Forecast

Issued at: 5:22am 18 Oct

WEDNESDAY

Cloudy periods with isolated showers. Clearing to fine from afternoon, but a few showers remaining about Stewart Island. Westerlies.

THURSDAY

Mainly fine with light winds, but cloudy with a few showers and strong westerlies about the coast and Stewart Island.

FRIDAY

Cloud increasing. Rain developing at night. Northwesterlies developing in the morning.

SATURDAY

A period of morning rain, followed by a few showers. Westerlies, possibly rising to strong or gale about the coast.

SUNDAY

Partly cloudy, with a few showers. Westerlies.

MONDAY

Rain with westerlies.


Foveaux

Valid to Midnight Wednesday

Issued at 4:42am Wednesday

Forecast:

Southwest 25 knots easing to westerly 15 knots this morning, then becoming northwest 25 knots about the Strait this afternoon and everywhere this evening. Rough sea, easing for a time. Southwest swell 3 metres, easing.

Three Day Outlook:

Westerly 25 knots, becoming Friday morning northerly 20 knots, changing overnight Friday westerly 30 knots. Sea rough at times. Moderate southwest swell at times.

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