The storm's maximum sustained winds early Monday are near 50 mph (85 kph). The U.S. National Hurricane Center says gradual strengthening is expected and Cristobal could become a hurricane in the next few days.
Cristobal is centered about 110 miles (180 kilometers) east-northeast of San Salvador and is moving north near 3 mph (6 kph). The storm's forecast track shows it staying away from the U.S. East Coast.
Meanwhile in the Pacific, Hurricane Marie is moving west-northwest as a major Category 4 storm. Marie's maximum sustained winds are near 145 mph (230 kph) with general weakening expected to begin Monday night. Marie is centered about 465 miles (750 kilometers) southwest of the southern tip of Mexico's Baja California peninsula.