It officially began on June 1, 2004, and ended on November 30, although storm activity continued into December.

This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipations.

This season had 16 tropical depressions, of which, 15 became named storms.

[nb 1] The most noteworthy storms for the season were the five named storms that made landfall in the U.S. states of Florida and Alabama, three of them with at least 115 mph (185 km/h) sustained winds (major hurricane strength): Tropical Storm Bonnie, Charley, Frances, Ivan, and Jeanne.

This is the only time in recorded history that four hurricanes affected the U.S. State of Florida although one of the four, Ivan, brought hurricane-force winds to the state without making a landfall there.