She's the first named 2008 hurricane in the Atlantic Ocean, and Bertha's churning with sustained winds at about 90 miles an hour 775 miles east of the Leeward Islands. As of 11 a.m., The National Hurricane Center says the storm is moving to the west-northwest at 15 miles per hour and is expected to make a gradual toward toward the northwest and to slow down in the next couple of days. However, Bertha could become a Category 2 hurricane later today.