Streaks left by oil that retreated during low tide are visible on a public beach on June 2, 2010, in Dauphin Island, Ala. (Win McNamee/Getty Images)

Today's image shows oil streaks on the shore of Dauphin Island, Ala. Tuesday marked the first incidence of oil washing ashore in Alabama, and it looks like more is coming as the National Oceanic and Atmospheric Administration warned of "more shoreline impacts."

Check out our slideshow of photos from the Gulf oil spill, which we update daily.