Danny update: 11 p.m.

As of 11 p.m., disheveled Danny's sustained winds dropped to 45 mph. More significantly, he's started to take his expected turn, now moving north at 8 mph, according to the National Weather Service.

The tropical storm watch remains in effect for North Carolina's Outer Banks.

Forecasters say large swells are expected to produce dangerous surf and life-threatening rip currents along the U.S. East Coast over the next day or two.

Danny is centered about 485 miles south-southeast of Cape Hatteras, N.C. Tropical storm-force winds extend out more than 200 miles.

Strengthening remains possible over the next few days.