US cruise majors plan to continue travel plans to Cuba despite new limits set by Washington, while keeping guests abreast of any itinerary changes.

The Trump administration is tightening restrictions on travel and remittances to the island nation in response to its support for the Nicolas Maduro regime in Venezuela.

Last week, National Security Advisor John Bolton said the US Department of the Treasury will "restrict non-family travel to Cuba", barring US citizens from travelling there for holidays.