Erin has been downgraded to a post-tropical cyclone, although rough surf and rip currents are expected through the weekend. Forecasters are monitoring two other systems in the Atlantic for

Forecasters warned swimmers that many U.S. East Coast beaches will remain dangerous this weekend, as Erin became a post-tropical storm and moved from the U.S.

Strong winds and waves battered Nantucket and Martha’s Vineyard and dangerous rip currents threatened from the Carolinas to New England as Hurricane Erin made its way farther out to sea. The storm was forecast to cause possible coastal flooding into the weekend along the East Coast but was also expected to gradually lose