A strong sideways current has endangered swimmers in Kailua Bay trying to make it back to shore, residents say.

Honolulu’s top lifeguard says personnel processing delays are creating a “crisis point” for ocean safety.

The three-year project finds many snorkeling-related deaths aren’t from inhaling water, and that long flights beforehand may play a role.

Theresa Butts, 54, was killed while working aboard the 40-foot passenger vessel Uhane Nui O Naia, operated by the tour company Sunlight on Water, based in Kailua-Kona.

The counties have been unable to collect enough data on the type of mask worn in drowning incidents to draw any conclusions yet.

Lifeguards have bolstered their efforts and ocean safety officials are trying to figure out why snorkeling is so deadly for visitors.

The rash of deaths on Maui, predominantly visitors, has elected officials searching for solutions.