URSULA's warning should have helped everyone get away from it. But I think there were still people out in the water when it happened.

[The humming fades with his worry. His immediate impulse is to go and check, but he manages to reign that in (barely). Jumping out into the ocean to get himself lost won't help anyways, and with people still making their way back in it would be too easy to miss someone.]

There aren't that many of us so it'll be easy to see who's still missing once things calm down.