Surf

Surf is a Water-type move that does 90 damage. As being a HM, it can be used out of battle.

Out of battle, you can use it to cross water. When there is a waterfall, Surf can't cross it. You need Waterfall for it.

Surfing Pikachu


A Surfing Pikachu isn't avalible during gameplay. You could have gotten it at a previous Nintendo event, or by completing Pokemon Battle Revolution and getting your DS.