Tropical Storm Erin is expected to become a hurricane later today, Aug. 15, and a Category 4 hurricane with maximum sustained winds of 130 mph over the weekend. A major hurricane is a Category 3 or stronger, with maximum sustained winds of at least 111 mph.

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Friday, Aug. 15. Tropical Storm Erin continues to travel west and is on pace to strengthen into the season's first major hurricane by the end of this week,

Tropical Storm Erin is expected to intensify to hurricane status later today and could bring rough surf and rip currents to the Jersey Shore by next week.