Tropical Storm Erin formed on August 11, 2025, in the eastern tropical Atlantic Ocean just west of the Cabo Verde Islands, becoming the fifth named storm of the 2025 Atlantic hurricane season. The National Hurricane Center (NHC) and various meteorological models forecast Erin to strengthen into the first hurricane of the season by Thursday or Friday, August 15, and potentially reach major hurricane status (Category 3 or higher) by the weekend, with maximum sustained winds projected to reach around 125 mph. Erin is expected to move west-northwestward toward the Caribbean, passing near or north of Puerto Rico, the Virgin Islands, and the northern Leeward Islands. While the storm poses a threat to these Caribbean islands, current forecasts indicate a likely northward turn away from the U.S. East Coast, sparing Florida and the mainland from a direct hit. However, forecasters caution that the exact path remains uncertain, with some models suggesting a small chance of impact on Florida or the Carolinas. Regardless of landfall, Erin is expected to generate dangerous rip currents and heavy surf along the U.S. Eastern Seaboard starting mid-next week, with waves potentially reaching 7 to 11 feet on Florida's Space Coast. Caribbean officials have issued warnings for heavy rains and large waves, and U.S. authorities have prepared for possible flooding and landslides in Puerto Rico. The storm's intensification is supported by favorable conditions such as warm sea surface temperatures and low wind shear, though some dry air may temporarily inhibit rapid strengthening. Overall, Erin is closely monitored as it develops, with updates emphasizing preparedness in the Caribbean and caution along the U.S. East Coast.