WATER BREATHING - Transmutation - 3rd Level (Ritual)

Casting Time: 1 Action
Range: 30 Feet
Components: V, S, M (a short reed or piece of straw)
Duration: 24 hours

  This spell grants up to ten willing creatures you can see within range the ability to breathe underwater until the spell ends.  Affected creatures also retain their normal mode of respiration.

Source: 5th Edition SRD, Player's Handbook
Class List: Druid, Ranger, Sorcerer, Wizard.