pf2e.fyi
From Pathfinder Howl of the Wild, which isn't enabled.

Shared Tide

FEAT 12
ARCHETYPE
Activity 2 actions
Archetype Werecreature
Prerequisites Werecreature Dedication; your animal shape has a swim Speed

You Swim up to twice the normal distance. Any ally you pass within 30 feet of during that movement gains your swim Speed until the beginning of your next turn.

Pathfinder Howl of the WildORC