Here are some online resources related to storm surge, one of the main hazards associated with Hurricane Sandy as it approaches the U.S. Atlantic coast on 10-29-12.
National Weather Service/National Hurricane Center map of storm-surge probabilities
National Weather Service “Storm Surge Overview” Web site: http://www.nhc.noaa.gov/surge/ (Storm Surge Resources page includes two short videos on storm surge).
Virginia Department of Emergency Management video (Aug. 2010; 2 minutes/48 seconds) on vulnerable areas in Virginia, insurance issues, and preparedness recommendations.
USGS Storm-Surge Sensors Deployed Ahead of Tropical Storm Sandy, U.S. Geological Survey News Release, 10-27-12
Update: Sandy to Erode Many Atlantic Beaches, U.S. Geological Survey News Release, 10/30/12 (updating 10/27/12 release)