Tropical Storm Erin continues to gain strength in the Atlantic and is forecast to become a hurricane by Friday with the potential to bring rough surf to the East Coast, the National Hurricane Center said Thursday.

As of 5 a.m., Erin was located about 990 miles east of the northern Leeward Islands, with maximum sustained winds of 50 mph.

Latest N.J. weather news

N.J. weather: Thunderstorms possible today with heat, humidity. Latest weekend forecast.

N.J. weather: Flash flood warnings issued as heavy rain drenches state

Thunderstorms with damaging winds spark warnings in several N.J. counties Wednesday

See Full Page