A convoy of police cars and motorbikes are travelling through the region today.
North Wales Police driving school are running a convoy course today which will begin and conclude in Colwyn Bay.
It is believed Porthmadog will be just one of a variety of towns on the route for the training course.
North Wales Police, on Twitter, said: "Following a few calls to our press office we'd just like to confirm that our driving school have a convoy course running at the moment.
"So please don't be alarmed if you see a convoy of police cars and motorbikes travelling through a town or village near you #GivethemaWave."
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