[Torches? Underwater? ... welp, you've been having fun out there, Miss Nami.

But more importantly.]

I know exactly where you are. Hang tight.

[And since we need a crew to get to her, especially in this WICKED THUNDERSTORM GOING ON... {Oh hai, filter to all rescuers (and those who are considering it) of distressed ex-navigators... YOU KNOW WHO YOU ARE!}]

Oi. She's under the water at the submerged ruins. I need some people to help me grab a boat to get to her. Preferably those who can sail.

[Because dudes and dudettes? The underwater ruins are waaaaaaaaaaaaaaay beyond any swimming distance.]