Thomas’ comment follows news that the Sussexes, along with their 10-month-old son, Archie, are relocating to LA after having spent the past three months in the multi-million dollar holiday home of a mystery billionaire on Vancouver Island, Canada.
Mr Markle continued, "I think they should be in England at this time and not in LA."
"They can join the A-list and make lots of money, of course, when the problem with the virus is over," he added.
Meghan’s estranged father then went on to lament that, at 75-years-old and with a pre-existing heart condition and hypertension he is in the high-risk category for COVID-19, but Meghan has still not contacted him.
“I am in the high risk category, but now a number of young people are also coming down with it.
“If I could say anything to Harry and Meghan right now it is that life is too short.
“I would certainly tell them to be careful and I would tell them that I love them.
“This is the time to think about what is really important in life - it’s too short and unpredictable.
“While we have to isolate physically, there is no reason to isolate personally from each other at this time.”
Thomas and Meghan haven’t spoken since he missed her 2018 wedding to Prince Harry and was caught out selling pictures to paparazzi.
Thomas’ latest public outburst is a far cry from his sentiments just a few months ago, in which he claimed he was “embarrassed” by his daughter after the royal couple announced they would be stepping down as senior royals.
During an interview with British breakfast show Good Morning Britain, the 75-year-old said: “What they have decided to do is, to me, embarrassing.
“I think when they got married, they married into royalty and they knew what they were getting themselves into. That’s been Harry’s life, Meghan’s had a similar kind of life.”
Thomas continued, “I think they have hurt the queen. I think they have hurt the royals and it just doesn’t work to be going to another country to be serving England. It’s never going to work.”