HONOLULU, Hawaii (HawaiiNewsNow) - A 23-year-old woman died after being found unresponsive in waters off Mokuleia on Monday night, Honolulu police said.
Bystanders found the woman in shallow waters around 7 p.m. near Makaleha Beach.
Officials identified the woman as Jessica Patterson of Wahiawa.
Emergency Medical Services treated and transported her to the hospital in critical condition, but she was later pronounced dead.
EMS said Patterson may have suffered cardiac arrest.
There were no signs of foul play, but police are investigating.
This story may be updated.