While Erin is expected to take a northward turn in the Atlantic, a new system off the coast of Africa has the National Hurricane Center's attention.

Hurricane Erin strengthened back into a Category 4 storm as U.S. officials warned of dangerous rip currents this week.

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.

Tropical Storm Erin's path puts some homeowners at heightened risk, as the storm starts building into a hurricane tracked by meteorologists.

Hurricane Erin is expected to bring life-threatening surf and rip currents across the U.S. eastern seaboard this week, according to the National Hurricane Center. It is now a Category 4 storm with maximum sustained winds of 130 mph.

While the category 4 storm is not expected to make landfall on the U.S. east coast, it will have an impact nonetheless. Dangerous high surf and rip currents are expected from Florida to New England throughout the week.

In recent decades, the Atlantic has been warming at record rates, helping hurricanes explode into powerhouses.

Hurricane Erin is a powerful Category 4 storm, with its eye currently located about 100 miles north of the Turks and Caicos.