"Just get out of its way".
On Sunday, Trump also issued a disaster declaration for Puerto Rico, and expanded federal funds available to the US Virgin Islands in the aftermath of Irma, the White House said.
About 1.2 million residents were already without power, Duke said, reiterating that outages could affect as many as 5 million people.
At a briefing with FEMA administrator Brock Lock and Acting Department of Homeland Security Secretary Elaine Duke, Energy Secretary Perry said the Trump administration "tipped their hat" to FEMA for what he called an "extraordinary" storm. He added that his administration was monitoring the hurricane around the clock and would everything possible to save lives.
"He promised the government was standing by to assist and that the regions damaged by hurricanes Harvey and Irma would come back" stronger than ever before".
The White House released photos showing them being briefed on the track and potential impact of the hurricane. Harvey brought record rainfall and severe flooding to Houston and surrounding areas of the Texas Gulf Coast in late August before it moved on to Louisiana.
Trump's request to Republicans comes after he cut a deal with Democrats on debt ceiling legislation and moments after he criticized GOP lawmakers in a series of tweets that seemed to defend his actions.
LA Noire revealed for PS4, Xbox One, Switch, and Vive
For Switch fans, this marks the first time in eleven years that a Rockstar game was released on a Nintendo system. The game will also come to HTC Vive , allowing players to explore 1940's Los Angeles in virtual reality.
Hurricane Irma wasn't the only topic discussed at the fourth gathering of Trumps' Cabinet during his presidency. He said at Saturday's meeting that he would press for Congress to complete its work on a bill even sooner this year.
"I think nearly every C abinet member called me once a day from the administration just making sure we have all the resources", Scott said on CBS' "Face the Nation" on Sunday.
North Korea was also on the agenda.
The US president also tweeted: "The U.S. Coast Guard, FEMA and all Federal and State fearless people are ready". Other pictures showed the president, dressed in a navy suit, white shirt and striped tie, having a discussion.
The President, who has been meeting with Cabinet members at Camp David this weekend, spoke by phone Sunday morning with the governors of Alabama, Georgia, South Carolina and Tennessee, Sanders said.