Hurricane Erin, now a powerful Category 4 storm churning in the Caribbean, is not forecast to hit land, but it will bring large waves and dangerous rip currents to the U.S. East Coast.Here's the latest forecast:Erin’s outer bands lashed the Caribbean this weekend,

The monster storm intensified to a Category 4 with 140 mph (225 kph) maximum sustained winds early Monday while it started to lash the Turks and Caicos Islands and the southeast Bahamas, according to the U.S. National Hurricane Center in Miami.

Hurricane hunters with the NOAA flew through Hurricane Erin after it rapidly intensified into a rare Category 5 hurricane. Erin is expected to continue to fluctuate in intensity as it undergoes an eyewall replacement cycle.