A day earlier, State Department spokeswoman Heather Nauert said the United States was "mystified" by the failure of Saudi Arabia and its allies to justify the ongoing isolation of Qatar, a key USA partner in the fight against ISIS.
He said the United States had erred when it asked Gulf nations to release the demands.
The rift was resolved after eight months but tensions simmered beneath the surface until earlier this month when the UAE and Saudi Arabia moved to cut off Qatar diplomatically and through air, sea and land routes. It will "probably be pressured further because valuations remain elevated", he said.
Trump and the The Kingdom of Saudi Arabia seem to be smitten with one another - so much so that Trump on more than one occasion seemed to side with Saudi royalty over his own administration's advisement.
We're thankful for your support in every way. "Do we take the easy road or do we finally take a hard but necessary action?"
"Stop funding, stop teaching hate and stop the killing", he added.
The first Turkish ship carrying some 4,000 tonnes of dry food supplies, fruit and vegetables set off from a port in western Turkey's Izmir province at dawn on Thursday, state-run Anadolu news agency said.
Ibrahim Kalin told a group of journalists that the list by Saudi Arabia, Bahrain, the United Arab Emirates and Egypt would comprise "concrete requests and things Qatar must do" but did not provide details.
Real estate developer Donald Trump annouces intentions to build a $100 million dollar Regency Hotel in 1976.
The House of Saud also makes the accusation of Qatar supporting the Shia Houthis in the Yemeni Civil War, despite the fact that Qatar is working as an ally with Saudi Arabia in fighting them.
While saying stupid things isn't anything new for Trump, he has already laid some blame on Qatar for funding terrorism, despite hosting a USA central command and a few critical US military bases in the country.
Attorney General Ali bin Fetais al-Marri, one of the most senior legal figures in Qatar, said the case "is very clear" that the alleged hacking emanated from "countries responsible for the siege".
Mr Trump escalated the row and suggested that the embargo was his idea.
Tillerson also cancelled a scheduled trip to an Organization of American States meeting this week in Mexico to work the Qatar crisis.