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A satellite image of Hurricane Sandy from the National Oceanic and Atmospheric Administration (NOAA) taken on Friday, October 26. Corey Hutterli works on securing his sailboat as the outer bands of Hurricane Sandy are felt in Miami Beach, Florida, on Thursday, October 25. A woman stands at the entrance of her house surrounded by flood water after heavy rains in Santo Domingo, Dominican Republic, on Thursday. People walk on a flooded street after Hurricane Sandy hit Port Au Prince, Haiti, on Thursday. A woman peers out the door of her house Thursday after it was damaged by Hurricane Sandy in Bayamo, Cuba. A man clears debris from his house on Thursday. It was demolished by Hurricane Sandy in Santiago de Cuba. Residents in Bayamo, Cuba, try to fix a house damaged by hurricane Sandy on Thursday. A U.N. peacekeeper on Thursday stands at the edge of a bridge that was washed away by heavy rains from Hurricane Sandy in Port-au-Prince, Haiti. A house ruined by heavy flooding from Hurricane Sandy sits abandoned in Port-au-Prince, Haiti, on Thursday. Men deal with downed tree branches after heavy rains caused by Hurricane Sandy in Kingston, Jamaica, on Wednesday, October 24. Students walk in floodwater from Hurricane Sandy's rain in Santo Domingo, Dominican Republic, on Wednesday. Citizens of Bayamo, Cuba, buy food on Wednesday, as they prepare for the arrival of Hurricane Sandy. Waves hit the coast in Santo Domingo, Dominican Republic, on Wednesday. Citizens of Bayamo, Cuba, talk on the sidewalk on Wednesday. People in Bayamo, Cuba, hold umbrellas as they purchase food before the arrival of the hurricane. The Hope River begins to swell with rain from approaching Hurricane Sandy in Kingston, Jamaica, on Wednesday. Houses sit along the Hope River in Kingston, Jamaica. Jamaicans shelter themselves from the rain of approaching Hurricane Sandy as they walk along the Hope River. A satellite view shows Hurricane Sandy. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Exactly when and where the storm will hit is unclear Sandy is expected to weaken to a tropical storm, then strengthen It will move slowly, unleashing strong winds and heavy rains (CNN) -- Slowly but surely, Hurricane Sandy is making its way toward the U.S. East Coast. Exactly when and where it will hit is unclear. Sandy is a swirl of moving parts and any change in forecast could mean major changes in its impact. That said, a serious storm is clearly afoot -- and meteorologists are working overtime to track Sandy's progress. Here are the latest storm predictions from the CNN Weather Unit: Saturday Sandy, which is over the Atlantic Ocean east of Florida, is expected to continue moving up alongside the East Coast. It will likely weaken to a tropical storm. But don't be fooled; Sandy should strengthen again later in the weekend. Rough seas and surf will be building along the seaboard as far north as North Carolina. Storm has Northeast in crosshairs Sunday Heavy rain and strong winds will pound the coastal regions of North Carolina and Virginia as the storm slogs north. Rough seas will stretch up through Delaware and Maryland. Monday Sandy's massive size, coupled with a full moon peaking Monday, will lead to extremely high tides, rough seas and storm surge that will cause beach erosion and flooding. Hurricane preparation checklist The mid-Atlantic region will be hit hard, with tropical storm force winds extending from the Carolinas up to Maine. Sandy should make landfall late Monday or Tuesday, striking somewhere between Virginia and New York. Tuesday into Wednesday Sandy is forecast to move slowly. In spots, its center could linger for as long as 48 hours, unleashing heavy rain from the Great Lakes down to the Mid-Atlantic, through the Northeast. The strongest winds may not be nearest Sandy's center, as they are with traditional hurricanes. On the backside of the storm, record-breaking snow will fall over portions of the Appalachian Mountains, mainly in West Virginia.