Additional strengthening is expected as the storm is forecast to “remain a large and dangerous major hurricane through the middle of this week,” the National Hurricane Center said.

Hurricane Erin isn't forecast to hit land, but it will bring large waves and dangerous rip currents to the U.S. East Coast this week.

Parts of North Carolina's Outer Banks have been placed under a tropical storm and storm surge watch as the still-growing, powerful, major Hurricane Erin begins a northward turn Tuesday that could send hazardous surf,