Forecasters say Hurricane Kirk has strengthened into a Category 4 storm in the Atlantic Ocean and waves from the system could cause life-threatening surf and rip current conditions this weekend.

President Joe Biden warned that Milton could be one of the worst storms to hit Florida in a century and urged residents to leave “now, now, now.”

The storm’s winds climbed back to 160 miles per hour after weakening slightly for several hours. Gas pumps across Florida ran low as fleeing residents jammed highways. Read updated coverage of Hurricane Milton here. Patricia Mazzei Jacey Fortin and Judson Jones Patricia Mazzei reported from St. Petersburg, Fla. Storm-weary residents of Florida’s Gulf Coast jammed roads and stewed in gas lines on Tuesday evening as they fled for safer ground ahead of Hurricane Milton. The Category 5 storm, with winds of 160 miles per hour, has prompted one of the largest evacuations in Florida history. Tampa Bay braced for what could be its first direct hit from a major storm in more than a century as Milton barreled toward the region. “If you’re going to get out,” Gov. Ron DeSantis warned residents at a news conference, “get out now.” Here’s what we’re covering: Where it’s going: Milton, the strongest storm in the Gulf of Mexico since 2005, was expected to make landfall late Wednesday or early Thursday. The National Hurricane Center said on Tuesday night that the storm was likely to fluctuate in intensity as it moved across the eastern Gulf. “We still can’t pinpoint an exact landfall location,” forecasters said earlier. Track the storm’s forecast. Evacuation orders: More than 5.5 million people were affected by mandatory or voluntary evacuation orders as of Tuesday, according to the Federal Emergency Management Agency. Many more people were urged to leave their homes throughout the day. Here’s a list of evacuation orders.