Defeat Gym Leader Norman in Petalburg Gym
Receive the Balance Badge
Go to Wally’s house in Petalburg City
Talk to Wally’s father
Receive HM03 Surf
Teach Surf to a Pokémon that can learn it
Defeat Gym Leader Norman in Petalburg Gym
Receive the Balance Badge
Go to Wally’s house in Petalburg City
Talk to Wally’s father
Receive HM03 Surf
Teach Surf to a Pokémon that can learn it