Tropical Storm Erin formed in the eastern Atlantic Ocean on Monday, forecasters said. The storm was expected to strengthen later in the week and could become the Atlantic's first hurricane of the season.

So far, the 2025 Atlantic hurricane season has produced four tropical storms and no hurricanes. As of Friday, August 8, the National Hurricane Center (NHC) was monitoring two areas of interest for storm development—one off the southeastern U.

MIAMI — Tropical Storm Erin formed Monday in the eastern tropical Atlantic Ocean, just west of the Cabo Verde Islands, as Hurricane Henriette strengthened in the Pacific Ocean well away from Hawaii, forecasters said.