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Weather: High winds topple truck trailer, blocks bridge on busy highway

Author
Lochlan Lineham,
Publish Date
Mon, 20 Oct 2025, 9:14am

Weather: High winds topple truck trailer, blocks bridge on busy highway

Author
Lochlan Lineham,
Publish Date
Mon, 20 Oct 2025, 9:14am

Gale force winds are hitting the South Island, with 90km/h gusts recorded in Southland, and more areas in the firing line later today.

A fast-moving front will bring heavy rain and winds north today, with the majority of the South Island subject to weather warnings.

The wind will start to hit Otago and the Canterbury High Country and Marlborough this afternoon as it progresses.

MetService meteorologist Michael Pawley told the Herald the wind will begin to ease in Southland from noon.

The front is also bringing rain, with levels of 8mm per hour recorded in Fiordland.

Pawley said it鈥檚 expected that rain will 鈥渞amp up a bit鈥 in the region until the front moves farther north.

鈥淭he Westland ranges will be getting some heavy rain later today. But Grey, Buller and Tasman won鈥檛 be seeing that heavy rain until later tonight.鈥

MetService head of weather news Heather Keats said 鈥渉eavy rain to the west, gale northwesters to the east and north鈥 are expected today.

Gusts of 140km/h were recorded in isolated places like South West Cape, this morning, she said.

Keats told Herald NOW鈥檚 Ryan Bridge the front will move north over central New Zealand before weakening tomorrow.

A large truck trailer rolled during high winds leaving a main road blocked south of Tekapo this morning.

A truck trailer has rolled due to high winds on State Highway 8 south of Tekapo. Photo / NZTA

A truck trailer has rolled due to high winds on State Highway 8 south of Tekapo. Photo / NZTA

Fire and Emergency NZ confirmed two crews were at the incident on State Highway 8.

A respite day is forecast on Wednesday before another, more impactful weather system arrives on late Wednesday night and Thursday morning.

鈥淚t鈥檚 not just active fronts and gale northwesters, but we鈥檝e also got cold southwesters with a low at the very bottom of the country.鈥

鈥淢ore widespread, more heavy鈥 rain will spread up the North Island before it weakens on Friday, she said.

Damage to trees, powerlines and unsecured structures is expected with the high winds this week.

鈥淒riving will be difficult, especially for those high-sided vehicles.鈥

High river levels, slips and surface flooding are all predicted as a result of the rain, said Keats.

鈥淭his will be quite a week, with warnings for almost the entire South Island today, and there will be more.鈥

Weather watches have the potential to be upgraded to warnings.

The heavy rain will not linger long as the front moves quickly, she said.

MetService is monitoring the weather closely and is taking it 鈥渧ery seriously鈥, she said.

Watches and Warnings

Orange strong wind warnings are in place for Fiordland, Southland and Stewart Island until noon.

The same warning is in effect for Otago until 2pm and until 11pm in the Canterbury High Country and plains near the foothills.

The Southern Lakes, Mackenzie Basin and areas of the Canterbury High Country are under a heavy rain watch until 3am tomorrow.

A strong wind warning for Marlborough takes effect at 2pm and lasts until 6pm on Tuesday.

Weather watches and warnings in place across the country. Photo / MetService

Weather watches and warnings in place across the country. Photo / MetService

Orange heavy rain warnings have been issued for much of the West Coast of the South Island for today into tomorrow.

Wellington, Wairarapa and the Tararua District will be under a strong wind warning from 10pm tonight until 6pm tomorrow

The Tararua Range is expected to get 100 to 130mm of rain from 11pm tonight until 5pm tomorrow as it will be under orange heavy rain warning.

Hawke鈥檚 Bay is under an orange strong wind warning tomorrow from 10am-8pm.

A strong wind watch has been issued for Christchurch and the Canterbury Plains from 7am-5pm tomorrow, with a moderate chance of upgrading to a warning.

Horowhenua and K膩piti Coast will be under a strong wind watch also on Tuesday, from 2am-5pm.

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