You have to go to the Kimono Girls house after you beat chuck and give Ampharos the medicine.
Gold teeth are used to obtain the HM Surf. The teeth are given to the warden at the end of Safari Zone, and in return he will give you the HM Surf.
To obtain the HM Surf, you must beat the Dance Hall in Ecruteak City.
You'll need to teach the Pokemon Surf and go to the water and press A. (If not go in party and select the Pokemon that knows Surf)
u will have to cacth a Pokemon that can learn surf that's the only way
after you beat your dad in the gym a person gives it to you
You obtain hm03 Surf in the Celestic Town Shrine.
You can obtain surf after defeating all of the Kimono girls in Ecruteak City. A man in the audience will be so impressed with your performance against the girls' Pokemon that he will give you Surf.
Surf around Lake of Rage
learn surf
its Pokemon heart gold and you surf east of newbark town
when you get HM surf just get in the water and there's only water pokemon.
surf to the right of new bark town.