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: 10:49am Wednesday

Cyclone Gita, well southeast of Banks Peninsula late this morning is maintaining a strong southerly flow onto the South Island. Another low forming to the west of Westport is directing a showery westerly flow across the North Island.


Short Forecast

Issued: 1:55pm Wednesday

Valid to: Midnight Thursday Marlborough, Nelson, Buller and northern Westland

Showers, some heavy and possibly thundery, with southerly gales for a time from Kapiti to eastern Marlborough overnight. Showers easing and becoming isolated tomorrow morning, with increasing fine spells.

Southern Westland and Fiordland

Showers retreating to southern Fiordland tonight and becoming fine elsewhere.

Canterbury, and Otago apart from Clutha

Rain, easing to isolated coastal showers this evening then clearing later tomorrow. Gales about Banks Peninsula gradually easing.

Southland and Clutha

Showers, becoming confined to the coast later tomorrow.


Extended Brief Forecast

Issued: 10:32am Wednesday

Friday

South Island, A few showers in the south, and about the west coast, spreading inland in the afternoon. Mainly fine elsewhere.

Saturday

South Island, Showers developing in the west, and cloudy periods about the east coast. Fine or becoming fine elsewhere.

Sunday

South Island, Rain developing in the west, and scattered falls in the south. Mainly fine elsewhere.


Brief Mountain Forecast

Issued at 12:38pm Wednesday

Valid to Midnight Thursday

South Island

Kahurangi and Nelson Lakes National Parks:

Showers, some heavy and thundery with hail, easing early tomorrow and becoming isolated.

Kaikoura Ranges, the Southern Alps and Fiordland:

Occasional rain or snow, clearing overnight and becoming fine. However, showers remain about southern Fiordland.

WINDS: Southwesterlies spreading north, gale in exposed places, gradually easing.

Freezing Level: 2400 metres in the north sloping to 1600 metres in the south, lifting to 2600 metres everywhere.


Extended Mountain Forecast

Issued at: 12:58pm Wednesday

South Island

Friday:

A few showers in southern Fiordland. Elsewhere, morning cloud then fine apart from isolated afternoon showers. Westerlies, strong in the south.

Freezing Level: Rising to 3200 metres.

Saturday:

Areas of morning cloud then mainly fine, showers developing in the west south of Mount Cook later. Northwesterlies developing, becoming strong or gale in Fiordland.

Freezing Level: Rising to 3600 metres.

Sunday:

Rain developing in the west with heavy falls south of Mt Cook. Scattered rain in the south, mainly fine elsewhere. Snow lowering to 1700 metres in Fiordland later. Northwesterlies rising to gale or severe gale.

Freezing Level: 3400 metres lowering to 2000 metres in the south.


Nelson Lakes National Park

Tomorrow - Thursday

Issued at: 10:59am Wednesday

Cloudy periods and isolated showers.

Freezing level 2200m

Friday

Mainly fine, chance afternoon shower.

Freezing level 2500m

Saturday

Fine. Westerlies.

Freezing level  Above 3000 metres.

Sunday

Cloud increasing, isolated showers developing. Northwesterlies strengthening.

Freezing level  Above 3000 metres.


Canterbury High Country

Tomorrow

Issued at 11:04am Wednesday

Fine, apart from areas of morning cloud.

Wind at 1000 metres: Southwest 20 km/h.

Wind at 2000 metres: Southerly 50 km/h, easing to 30 km/h in the afternoon.

Freezing level: Rising to 2500 metres everywhere in the morning.

Fri Feb 23

Mainly fine, apart from areas of morning and evening cloud, and isolated afternoon showers.

Wind at 1000 metres: Southwest rising to 30 km/h in the morning.

Wind at 2000 metres: Southwest 30 km/h.

Freezing level: Rising to 3000 metres in the morning.

Sat Feb 24

Areas of morning cloud then mainly fine, high cloud developing later. Northwesterly developing late.

Sun Feb 25

Mainly fine with high cloud, rain developing about the Divide. Northwesterlies rising to gale or severe gale.


Westland Forecast

Issued at: 3:40pm 21 Feb

THURSDAY

Fine. Southeasterlies dying out in the morning

FRIDAY

Cloudy periods and a few showers developing in the morning. Showers easing evening. Southwesterlies.

SATURDAY

Cloudy periods, a few showers developing later. Southwesterlies dying out.

SUNDAY

A few showers, turning to rain, heavy falls possible. Northerlies developing.

MONDAY

Rain, heavy falls possible. Strong northerlies changing southwest.


Southern Lakes

Tomorrow

Issued at 11:04am Wednesday

Fine, apart from areas of morning cloud.

Wind at 1000 metres: Southerly 30 km/h, easing to 20 km/h in the afternoon.

Wind at 2000 metres: Southerly 30 km/h.

Freezing level: Rising to 3000 metres in the morning.

Fri Feb 23

Fine, apart from areas of morning and evening cloud.

Wind at 1000 metres: Southwest 30 km/h.

Wind at 2000 metres: Southwest rising to 50 km/h in the morning.

Freezing level: 3000 metres.

Sat Feb 24

Areas of morning cloud then mainly fine, high cloud developing later. Strong or gale northwesterly developing.

Sun Feb 25

Cloud increasing, rain developing later. Northwesterlies rising to gale or severe gale.


Mt Aspiring National Park

Tomorrow - Thursday 22 February

Issued at: 10:59am Wednesday

Morning cloud, then becoming fine. Gale southerlies easing in the morning.

Freezing level 2800m

Friday 23 February

Mainly fine, morning and evening cloud.

Freezing level 2900m

Saturday 24 February

A few showers developing. Southwesterlies changing strong or gale northwest.

Freezing level  Rising above 3500 metres.

Sunday 25 February

Showers turning to rain, possibly heavy, snow lowering to 2800 metres. Gale or severe gale northwesterlies.

Freezing level  Lowering to 3000 metres.


Fiordland National Park

Tomorrow - Thursday

Issued at: 10:59am Wednesday

Fine, apart from a few showers in the south.

Freezing level 2800m

Friday 23 February

A few showers, mainly in the south.

Freezing level 2600m

Saturday 24 February

A few showers developing. Northwesterly developing, rising to gale or severe gale later.

Freezing level  Rising above 3500 metres.

Sunday 25 February

Showers turning to rain, possibly heavy, snow lowering to 2000 metres. Gale or severe gale northwesterlies.

Freezing level  Lowering to 2200 metres.


Southland Forecast

Issued at: 3:40pm

THURSDAY

Cloudy periods. A few showers, retreating to the coast in the afternoon. Southwesterlies.

FRIDAY

Cloudy periods. A few coastal showers, spreading inland for a time in the afternoon. Southwesterlies.

SATURDAY

Cloudy periods, a few early showers about the coast. Westerlies dying out,northerly developing later.

SUNDAY

High cloud, scattered rain developing, becoming widespread later. Northwesterlies, strong about Stewart Island.

MONDAY

Rain easing to showers. Northerlies changing southerly.


Foveaux

Valid to Midnight Thursday

Issued at 12:54pm Wednesday

Forecast:

Southeast 25 knots, changing southwest 20 knots this evening, and rising to 30 knots Thursday afternoon. Rough sea easing for a time. Southeast swell rising to 3 metres for a time. Southwest swell 2 metres. Fair visibility in showers, easing evening.

Three Day Outlook:

Southwest 25 knots, easing early Saturday 15 knots, turning late Saturday northerly 15 knots. Becoming Sunday northwest 30 knots. Rough sea, easing for a time. Moderate southwest swell, easing Sunday.

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