Dangerous rip currents are expected along the U.S. East Coast as Hurricane Erin grows in size this week, the National Hurricane Center said Tuesday.

H urricane Erin, now a Category 2 hurricane, has prompted a tropical storm watch for North Carolina's Outer Banks and is expected to bring dangerous waves and rip currents to beaches along the East Coast. Here's the latest forecast:

A tropical storm warning has been issued for North Carolina as Hurricane Erin churns up the east coast of the U.S. as a Category 2 storm.