THIS is heart-stopping moment a ferry lurches sideways after being battered by high winds and violent waves caused by Storm Dennis.
Almost on the verge of capsizing, the dramatic footage shows the CalMac ferry battling against 80mph crosswinds as it attempted to find post in Ardrossan Harbour, Scotland, on Friday.
Storm Dennis sparked "danger to life" flood warnings as it punished the country with fierce rain and gales over the weekend.
Three people fell victim to the storm as a month's worth of rain fell in just 48 hours and winds were recorded at a staggering speed of 91mph.
While the storm battered most parts of Britain, the crew on board the MV Caledonian in Scotland were forced to take evasive action during the adverse weather.
The scary 43-second clip was captured by onlooker William Campbell.
Clearly unphased by it all, he later boarded the ferry and joked that his journey was a "wee bit choppy".
He told the BBC that he was used to rough weather, but speculated that some would-be visitors "might have been put off".
After the boat fought against violent waves and fierce winds created by the storm, the managing director of CalMac, Robbie Drummond, took to Twitter to praise its crew for their skilful navigation.
He wrote: "All credit to the skill of our masters and one to consider for those pressing CalMac to take more risk.
"Safety of our passengers and crew is always our top priority."
All credit to the skill of our masters and one to consider for those pressing CalMac to take more risk
Robbie Drummond
Storm Dennis is continuing to batter the country with some areas reporting a month's worth of rain over the weekend.
Major incidents were declared due to flooding in South Wales as well as in Worcestershire and Herefordshire, while a record number of flood warnings and alerts were issued by the Environment Agency.
Terrifying footage showed cars submerged over the weekend while landslides hit areas around South Wales.
But the chaotic weather's effects are still ongoing today, with five severe danger to life flood warnings in place for Eardiston, Little Hereford and Ashford Carbonel, Ludlow, Tenbury Wells and Burford and Blackmarstone.
More than 250 flood warnings are also in place, along with a Yellow wind warning for most of the country.
And as Brits try to recover from the flooding danger, there are already fears that another storm — Storm Ellen — is brewing.
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Storm Ellen will be named by the Met Office when an Atlantic weather system has potential for amber warnings.
Met Office forecaster Marco Petagna said: "There's the briefest of respites ahead of yet another Atlantic surge."
The Met Office has so far warned heavy and frequent showers will hit today, while gales develop from Wednesday to Friday.