Tropical Storm Henriette rapidly strengthened into a hurricane Sunday in the central Pacific Ocean with further strengthening expected, but it poses no threat to land, the National Hurricane Center said.

Hurricane Henriette was a Category 1 storm on Monday and was well away from Hawaiʻi. The storm had maximum sustained winds of 85 mph and was about 525 miles northwest of Honolulu.

Tropical Storm Henriette was strengthening in the central Pacific Ocean far northeast of Hawaii and could become a hurricane but posed no threat to land, the National Hurricane Center said Sunday.