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1030 superstorm 67

Strong waves crash against the Lake Michigan waterfront at the 31st Street Beach on the south side of Chicago on Tuesday, Oct. 30, 2012. Strong winds from the outer edge of superstorm Sandy are creating near-record high waves on Lake Michigan. (AP Photo/Charles Rex Arbogast)

Gallery: More photos from Superstorm Sandy

Oct. 30, 2012 @ 04:35 PM

Superstorm Sandy will end up causing about $20 billion in property damages and $10 billion to $30 billion more in lost business, according to IHS Global Insight, a forecasting firm.