Erin storm: Erin

Erin, the first hurricane to develop over the Atlantic this year, became post-tropical on Friday afternoon, the National Hurricane Center said. Hurricane Erin has reintensified into a Category 4 storm on Aug. 18, according to the National Hurricane Center. See where Erin is headed. Hurricane Erin, the first major hurricane of the 2025 Atlantic hurricane season, rapidly intensified Friday night, with the storm now reaching Category 5 strength with sustained winds of 160 mph. Erin has reached warmer water that will allow the storm to strengthen into a hurricane late this week.