Search for Aussie missing from Hawaii-bound cruise

Cruise operator Royal Caribbean said the guest had gone overboard on the trans-Pacific leg of the journey.

"The ship's crew immediately launched a search and rescue operation and is working closely with local authorities," a spokeswoman said in a statement.

The incident reportedly happened shortly before midnight on Tuesday, local time, or Wednesday night AEST.

The US Coast Guard is conducting an aerial search for the man.

The ship is scheduled to arrive in Honolulu on April 28.