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 remained a Category 4 storm throughout the day. Here's a look at the latest forecast and spaghetti models.

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.

Though Hurricane Erin is not forecast to make landfall on the U.S., the storm’s rapid intensification has prompted increased measures in North Carolina.

Hurricane Erin was a Category 4 storm again Monday morning and is expected to grow even larger and stronger, according to the latest advisory from the National Hurricane Center. Although Erin is forecast to move north between the U.S. and Bermuda, life-threatening surf and rip currents are likely across the Atlantic coast from Florida to Canada.

Forecasters said Erin should begin to slowly weaken as it increased wind shear. However, it's predicted to remain a major hurricane until late next week.

Erin was a Category 3 hurricane Sunday morning, the National Hurricane Center said in its 8 a.m. update, with sustained winds of 125 mph, with tropical storm-force winds reaching out 205 miles.