Where to catch, #0320
Wailmer in Diamond and Pearl: 2 places, levels 30 to 40
2 encounters by area
Places
Sea Route 223 and Sea Route 230
Other games
Also found in 11 other games
Ruby and SapphireEmeraldPlatinumBlack and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonSword and ShieldThe Isle of ArmorThe Crown Tundra