Irma made landfall on Florida's mainland on Marco Island with 115 miles per hour winds.
That principle was on display during Hurricane Irma's arrival this past weekend, as the powerful Cat.
Debris from Hurricane Irma litters the Shake A Leg Marina in Miami on Monday.
All tropical storm watches have been dropped as of Tuesday morning, and most of the heavier rain in Alabama was located in the northwest part of the state.
Port Tampa Bay is expected to reopen by Tuesday afternoon, and four petroleum vessels were on standby waiting to unload.
The leading edge of the vast storm bent palm trees and spit rain across South Florida, knocking out power to hundreds of thousands of homes and businesses, as the eye approached Key West.
With communication cut to some of the Florida Keys, where Irma made landfall Sunday, and rough conditions persisting across the peninsula, many are holding their breath for what daylight might reveal.
Its bands stretched widely over the Sunshine State - including over Miami, which beared much of the brunt of Irma's winds and storm surge.
Evacuations in the state are at an all-time high in USA history. Almost 540,000 people in Savannah and the rest of coastal Georgia were under evacuation orders for the second time since last October, when Hurricane Matthew raked the coast en route to SC. Parts of southern Georgia can expect up to 20 inches of rain, with possibilities of tornadoes as well. "This is a life-threatening situation", it added.
The third fatality was confirmed in Orange County when a person driving a Cadillac SUV hit a guardrail on southbound State Road 417.
"Evacuations are not meant to be convenient, they're meant to be safe", Scott said.
On Sunday, Trump also issued a disaster declaration for the U.S. territory of Puerto Rico, and expanded federal funds available to the U.S. Virgin Islands in the aftermath of Irma, the White House said.
"This is a catastrophic storm".
"We all hung out last night together", he said. "It's bigger than our state".
The National Weather Service says the flooding has exceeded the previous 1964 flooding caused by Hurricane Dora by at least a foot, as of Monday morning. The National Hurricane Center predicted the storm would cross Monday into southwest Georgia, where a hurricane warning was in effect for a large rural area including the cities of Albany and Valdosta.
The 400 mile-wide storm blew ashore in the mostly cleared-out Florida Keys, then marched up its western coast, its punishing winds extending clear across to Miami and West Palm Beach on the Atlantic side.
For the latest information, follow our live feed of Hurricane Irma.