It's supposed to be an every day boat ride for commuters, not a trip on the ferocious high seas.
But that's exactly what passengers on Sydney's iconic Manly Ferry got on the weekend.
A series of amazing images were captured of monster waves crashing onto the deck of the Freshwater vessel on Saturday by deck hand and photographer Haig Gilchrist as a low pressure system swept across coastal NSW.
One shot shows a wave crashing over the ferry's bow swamping the front of the ship and sending white water gushing into an outdoor area usually full of tourists snapping the Sydney sights.