Hurricane Erin, now a Category 2 storm, is moving closer to North Carolina’s Outer Banks, where conditions are expected to deteriorate throughout the day.

A stronger and bigger Hurricane Erin pelted parts of the Caribbean and was forecast to create dangerous surf and rip currents along the U.S. East Coast this week.

The National Hurricane Center warned that roads in the low-lying barrier islands may become impassable, with waves as high as 20 feet crashing ashore.