This seemingly small ripples reveal a massive, (likely 15-20 foot) shark.

@Lindasandsund and her friends were out on their boat in Lofoten, Norway, (which has really good/cold surf in the winter), when they spotted this massive shark coming towards them.

Lofoten is a rugged and uncrowded region that Norwegians and cold wave hunters have scored some fun surf.  Here is what the area looks like on a solid winter swell