First, grow your hair. You want a style that resembles emo hair length, without the fridge over eyes business.
Die your hair blonde if it isn't already.
You can have this hair straight, or curly, or frizzy for that just been surfing look.
If you want to use products on your hair, use Wax or Putty or Hairspray. Gel gives a fake plastic look, moose makes it greasy.
Wear Blue Jeans or Cargo Pants.
Wear Beads, or Shark-Tooth Necklaces
Wear light blue t-shirts or other bright sunny colours. A surfing design on the front is best.
Wear plenty of colour.
Their trademark is a surfboard or a Volkswagen Camper Van
Their brands are Quicksilver, Converse, and no-labeled Primark clothes.