Hurricane Erin has been downgraded to a Category 3 hurricane but is gaining in size and raising the risk of life-threatening ...

A hurricane's category only measures wind speed, not how far those winds extend from the center. The size of a storm's wind ...

"The core of Erin is expected to pass to the east of the southeastern and central Bahamas today and tonight," the National Hurricane Center said.

Hurricane Erin is pelting parts of the Caribbean and is forecast to create dangerous surf and rip currents along the U.S.

U.S. shores are unlikely to see a direct hit, but a strong offshore hurricane can produce massive and dangerous waves well away from its center.