put it in the day care centre with a other Pokemon to check its level until it gets up to level 39 then train it up to level 40
you evolve it from wailmer at lvl 40 the easiest way to evolve it is to catch a wailmer with a super rod at mossdeep city
Wailmer evolves at Level 40.
Wailmer evolves at Level 40.
Wailmer evolves into Wailord starting at level 40.
No , wailmer evolve only by leveling it up it evolve at level 40 i think
Wailmer evolves into Wailord at level 40.
The Pokemon Wailmer evolves into Wailord at level 40 on Pokemon Black.
Level 35
get it to level 40
Level 40
The only way to evolve Wailmer is to level it up to level 40.
My wailmer evolved earlier today at level 40.