Several homes are at risk of collapsing into the ocean as massive waves and storm surge from Hurricane Erin hammer beaches along the Atlantic coast of the United States.

North Carolina expects coastal flooding from massive waves, tropical-storm-force winds and tidal and storm surges for much of the state shoreline, especially the Outer Banks, as well as life-threatening rip currents for most of the week, Stein said, adding, "No one should be in the ocean."

Invest 99L and a tropical wave have a medium chance of becoming tropical depressions later this week. The National Hurricane Center is tracking three systems in the Atlantic, according to the latest advisory from the National Hurricane Center.