Washington (CNN) President Donald Trump touted his administration's response to Hurricane Maria in Puerto Rico as "an incredible, unsung success" during an Oval Office briefing on the upcoming hurricane bearing down on the Carolinas.

His comments run counter to how many locals and experts have assessed the federal government's response.

"I think Puerto Rico was incredibly successful," Trump said, noting that the island location is "tough" during a hurricane due to the inability to transport vital equipment and supplies by truck. "It was one of the best jobs that's ever been done with respect to what this is all about."

Earlier this month, the island's governor formally raised the death toll from the 2017 storm to an estimated 2,975 from 64 following a study conducted by researchers at George Washington University. The study accounted for Puerto Ricans who succumbed to the stifling heat and other aftereffects of the storm and had not been previously counted in official figures. Much of the US territory was without power for weeks.

Trump on Tuesday, alongside Homeland Security Secretary Kirstjen Nielsen and Federal Emergency Management Agency Administrator Brock Long, said the island's electric grid had been already "in bad shape."

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