Weak toGrassElectric ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	67.6
Zeraora	Electric	Volt SwitchPlasma Fists	58.1
Kartana	GrassSteel	Razor LeafLeaf Blade	57.9
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	56.7
Xurkitree	Electric	Thunder ShockDischarge	56.1
Roserade	GrassPoison	Magical LeafLeaf Storm	49.3
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	49.1
Deoxys	Psychic	Charge BeamThunderbolt	48.8
Electivire	Electric	Thunder ShockWild Charge	48.5
Zarude	DarkGrass	Vine WhipPower Whip	48.4
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	47.8
Raikou	Electric	Volt SwitchWild Charge	47.2

Rainy boosts the Electric attacks above. Rainy boosts Wailord.

Level 40, 15 attack IV, costed against Wailord's own defense and typing, one per evolution family.

Wailord's moveset, CP and shiny All counters Raid board

Questions people ask

What is Wailord weak to in Pokémon GO?

Wailord takes 1.6 times from Grass and Electric.

What's the best counter to Wailord?

Regieleki with Lock On and Thunder Cage, worth 67.6 damage per second against Wailord's own defense. The full ranking is above.