A typical hurricane season consists of 14 named storms, seven hurricanes and three major hurricanes, according to the agency. The 2025 federal outlook aligns with other early-season forecasts released this spring.

In the Atlantic Basin, which includes storms that form in the Atlantic, the Caribbean Sea and the Gulf of America (formerly known as Gulf of Mexico), hurricane season lasts from June 1 until Nov. 30. Historically, 97% of all tropical cyclones in the Atlantic will form between those two dates.

Sunday marks the official start of the Atlantic hurricane season. June 1 is the first day of hurricane season in the Atlantic Ocean, the official start of a six-month period that can bring some of the most destructive and costly natural disasters to American shores.