The FCDO warns in an update to its travel advice issued on Wednesday evening (12 February) that transport and tourism operations – including flights – could be subject to temporary changes.
Anyone in the country is urged to check for messaging from their airline or tour operator, and to "carefully consider" whether being there is essential.
Cuba has been beset by fuel and energy shortages after the US moved to block fuel supplies to the country. Last week, the US embassy in Cuba warned Americans there to brace for fuel shortages, outages and potential protests.
