Megan Beard and Marissa Preston, both aged 16, have both been reported missing to Lancashire Constabulary.
They are from the Yorkshire area and are believed to have travelled to the seaside resort by train from Leeds.
Police are appealing for information to help find Megan Beard (left) and Marissa Preston (right , both aged 16
Megan is described as white, around 5ft 5in tall and of slim build. She has blonde hair with highlights and was last seen wearing a pale blue beany hat, a black leather jacket with a pale blue sweat shirt, black flares and white trainers. She was also carrying a rucksack.