The sand importation is part of Conwy County Borough Council’s Waterfront project, which is providing sea defences and improvements in Colwyn Bay, funded by the Welsh Government and European Regional Development Fund.
It will take place 24 hours a day, seven days a week and should last for a period of up to four weeks, depending on the weather.
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The two projects going head-to-head today are: For the Young at Heart and Y Gwndwn.
David and Angela Southwood, from Newport, say they plan to live in a caravan over the border after learning of the decision.
The fog is expected to become quite widespread and locally dense and freezing during the evening