Hernan was downgraded to a tropical storm on Monday as it spun far out in the Pacific.
The National Hurricane Center in Miami said the former hurricane's winds had fallen to about 70 mph and the storm is expected to continue weakening as it moves westward and even farther out to sea.
By Monday afternoon, Hernan was located about 1,400 miles west of the tip of the Baja California peninsula. It was moving west-southwest.
Storms are classified as hurricanes when their winds reach 74 mph or more. Hernan was the fifth hurricane of the Pacific season and never posed a threat to land.
Storms are classified as hurricanes with winds of 74 mph or more, and are rated on the five-category Saffir-Simpson hurricane scale.