As of 8 a.m. Saturday, Ana, a slow-moving system, was traveling west-southwest at about 3 miles per hour. Ana is expected to move slowly and erratically through Saturday night, the NHC said, and then accelerate and move northeast Sunday and Monday. The Bermuda Weather Service has issued a Tropical Storm Watch for the island and Tropical Strom conditions are possible today on Bermuda, the NHC said.