Erin formed on August 11, 2025 with sustained winds of 45 mph (75 km/h). Four days later, on August 15, Erin strengthened into a hurricane. A day later, Hurricane Erin rapidly intensified into a powerful, Category 5 storm with sustained winds of 160 mph (257 km/h).

Hurricane Erin fluctuated in intensity as a major hurricane for several days until weakening into a Category 2 storm with sustained winds of 110 mph (177 km/h) on August 19. During the span of these intensity fluctuations, Erin became a much larger storm with a broader area of hurricane-force winds.

Erin continue to move north, bringing dangerous rip current and large waves to the U.S. East Coast causing a number of water rescues. On August 22, Erin became a post-tropical system as it began its extra-tropical transition. Erin approached western Europe as a post-tropical low pressure system ushering in gusty and wet conditions.

For more details on Erin, visit the National Hurricane Center.