While the U.S. will be spared a landfall from monster Hurricane Erin, the impacts will be felt up and down the East Coast throughout the week with life-threatening coastal conditions, rip currents and big waves.

After losing some intensity over the weekend, Erin strengthened back into a Category 4 storm with maximum sustained winds of 140 mph, according to an 11 a.m. ET advisory from the National Hurricane Center.

Hurricane Erin is deemed a potential threat to Bermuda as a Category 4 storm, the Bermuda Weather Service warned. According to the BWS 6am advisory, the storm was upgraded from Category 3 overnight

Parts of North Carolina's Outer Banks are under mandatory evacuation orders, as the National Hurricane Center warns that Hurricane Erin could bring tall waves topping 15 to 20 feet.

The ship was scheduled to depart from Norfolk on Sunday to embark on a six-day cruise with a two-day stop in Bermuda. It will now visit Carnival’s new private island, Celebration Key, and Nassau in the Bahamas.

Erin is a strong Category 3 hurricane, the National Hurricane Center said in its 8 p.m. ET update Sunday, with sustained winds of 125 mph and tropical storm-force winds reaching out 205 miles. The storm is just over 300 miles northwest of Puerto Rico as of Sunday evening.