WEATHER: Sydney ferries are cancelled as monster swells smash boats, winds and ...

Ferries between Sydney's CBD and Manly have been cancelled after boats were smashed by dangerous swells.

Terrifying videos taken on board ferries showed waves pummelling the boats, causing water to pour onto the deck as passengers sought refuge inside. 

The city is being battered by wild winds which are now threatening to cancel flights, with both Qantas and Virgin Australia warning passengers to keep an eye on the Sydney Airport website.

Meanwhile, towns in the Blue Mountains have been completely cut off from Sydney thanks to snow closing roads and causing chaos on the rails. 

Ferries between Sydney's CBD and Manly have been cancelled after boats were smashed by dangerous swells

Ferries between Sydney's CBD and Manly have been cancelled after boats were smashed by dangerous swells

Terrifying videos taken on board ferries showed waves pummelling the boats, causing water to pour onto the deck as passengers sought refuge inside

Terrifying videos taken on board ferries showed waves pummelling the boats, causing water to pour onto the deck as passengers sought refuge inside

One Australian wasn't letting the snow get in the way of her suntan - as she stepped out in a bikini

One Australian wasn't letting the snow get in the way of her suntan - as she stepped out in a bikini

Nippy! However she quickly gave up and ran back inside to shelter from the cold

Nippy! However she quickly gave up and ran back inside to shelter from the cold

About five centimetres of snow settled on Katoomba, Blackheath and surrounding areas as temperatures dipped to -8C on Tuesday morning. 

The ice and snow forced the closure of the Great Western Highway in both directions at Katoomba, as well as at Mount Victoria and Blackheath following incidents involving trucks.

Snow was also recorded in the NSW Central Tablelands, including Oberon and Lithgow, as well as Armidale in the state's north.  

The low-pressure system in NSW has driven the cold front up north, bringing flurries of snow to Queensland for the first time in four years.

Snow was also recorded in the NSW Central Tablelands, including Oberon and Lithgow, as well as Armidale in the state's north. Pictured above are snow-covered train tracks in Walcha, New South Wales

Snow was also recorded in the NSW Central Tablelands, including Oberon and Lithgow, as well as Armidale in the state's north. Pictured above are snow-covered train tracks in Walcha, New South Wales

A snow-covered ute was snapped in Lithgow this morning

A snow-covered ute was snapped in Lithgow this morning

Oberon also received some light snow. A woman poses in Mayfield Garden, just north of the town, on Tuesday

Oberon also received some light snow. A woman poses in Mayfield Garden, just north of the town, on Tuesday 

Foliage in Bathurst, in the Central Tablelands in NSW froze over

Foliage in Bathurst, in the Central Tablelands in NSW froze over 

Jack Frost also paid a visit to Goulburn in the Southern Tablelands, 195km south of Sydney

Jack Frost also paid a visit to Goulburn in the Southern Tablelands, 195km south of Sydney

This house was covered with snow in Goulburn along with the car as winter began in earnest

 This house was covered with snow in Goulburn along with the car as winter began in earnest

The Bureau of Meteorology has issued a severe weather warning for residents across New South Wales including metropolitan Sydney, the South Coast and parts of the Mid North Coast, Illawarra, Central Tablelands and Southern Tablelands.   

The region is expected to be hit with locally destructive winds, averaging 60 to 70km/h, with reports of 130km/h wind gusts in Ulladulla, 230km south of Sydney, this morning. 

The wild weather is due to an intense low-pressure system and associated cold front coming from the Tasman Sea.   

Strong winds will move through the Sydney region around sunrise and extend to te north by this afternoon.  

The city's eastern suburbs are expected to see the strongest winds, while Sydney's west will experience lighter gusts. 

Weatherzone has warned of reduced visibility and

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