The Tampa Bay hurricane of 1921 (also known as the 1921 Tarpon Springs hurricane) was the most recent hurricane to make landfall in the Tampa Bay area and held the record as the major storm that stuck the continental United States latest in the calendar year until Hurricane Zeta in 2020. The eleventh tropical cyclone, sixth tropical storm, and fifth hurricane of the season, the storm developed from a trough in the southwestern Caribbean Sea on October 20. Initially a tropical storm, the system moved northwestward and intensified into a hurricane on October 22 and a major hurricane by October 23. Later that day, the hurricane peaked as a Category 4 on the modern day Saffir–Simpson scale with maximum sustained winds of 140 mph (220 km/h). After entering the Gulf of Mexico, the hurricane grad