Hurricane Erin became the first hurricane of the 2025 Atlantic season on Friday, with sustained winds of 75 mph as it moves toward the Leeward Islands.

Hurricane Erin officially formed early Friday, Aug. 15, marking the first hurricane of the 2025 Atlantic hurricane season. The system is also expected to become the first major hurricane of this season,

As Erin continues to churn over very warm water, the storm will gain quick momentum and will likely become the first major hurricane (a category 3, 4 or 5 storm) as early as this weekend as it passes to the north of Puerto Rico.

Erin developed in the eastern Atlantic, moving westward from the Cabo Verde Islands at about 20 mph (32 km/h). Infrared sensors on NOAA's GOES-19 satellite reveal colder cloud tops and deep convection near the center — signs of a strengthening system feeding on warm ocean waters.

Jean-Raymond Bidlot, senior scientist in ocean modeling at the European Centre for Medium-Range Weather Forecasts (ECMWF) told Newsweek that Erin is forecast to strengthen over the next week as it heads toward the U.S. East Coast, reaching peak intensity offshore from Cape Hatteras.

Even if a tropical depression does not form over the next day or so, environmental conditions appear conducive for later development, and a tropical depression is likely to form by the middle to latter portion of this