Authorities are searching for a missing 32-year-old woman in the Gulf of Mexico. She was a passenger on the Carnival Valor, which was headed to Louisiana.
The cruise line said the Norwegian Gem would return to New York "shortly," after “COVID-related circumstances” capsized its 10-day travel plans.
The cancellations follow reports of two ships either returning to port early due to the coronavirus or having to cancel travels at the last minute.
The CDC said it has more than 90 cruise ships under investigation or observation as a result of COVID-19 cases fueled by the omicron variant.
The cruise line said it is not accepting new bookings on its ships until Jan. 10 to better accommodate social distancing, and it will now require masks indoors.
A Norwegian Cruise Line ship with at least 10 passengers and crew members infected with COVID-19 has docked in New Orleans.
The health and safety protocols put in place due to the coronavirus pandemic will then become voluntary, the agency said.
The cruise line said the woman "almost certainly did not contract" the virus on the ship. More than two dozen people tested positive for the virus on a later voyage.
The ruling said the state had failed to provide evidence that the ban was legally enforceable, in a blow to Florida Gov. Ron DeSantis.
Reduced noise from cruise ships has made a big difference in the lives of humpback whales in Glacier Bay.