The name Irwin has been used for eight tropical cyclones in the Eastern Pacific Ocean.
*
Tropical Storm Irwin (1981)
The 1981 Pacific hurricane season was a slightly below average Pacific hurricane season. The season officially started on May 15 in the eastern Pacific basin and June 1 in the central Pacific basin. Both basins' seasons ended on November 30; the ...
*
Tropical Storm Irwin (1987)
The 1987 Pacific hurricane season was the last year in which the Eastern Pacific Hurricane Center was the primary warning center for tropical cyclones in the eastern Pacific Ocean. The season officially started May 15, 1987, in the eastern Pacif ...
*
Tropical Storm Irwin (1993)
The 1993 Pacific hurricane season included more than double the average number of major hurricanes – Category 3 or stronger cyclones on the Saffir–Simpson scale. This activity was the result of an El Niño event, which is the main facto ...
*
Tropical Storm Irwin (1999)
The 1999 Pacific hurricane season was one of the least Below average active Pacific hurricane seasons on record. The season officially began on May 15 in the Eastern Pacific, and on June 1 in the Central Pacific; in both basins, it e ...
*
Tropical Storm Irwin (2005)
The 2005 Pacific hurricane season was a near-average Pacific hurricane season which produced fifteen named storms, seven hurricanes and two major hurricanes. It was also the second consecutive season in which no tropical cyclone of at least trop ...
– no threat to land
*
Hurricane Irwin (2011)
The 2011 Pacific hurricane season was a below average season in terms of named storms, although it had an above average number of hurricanes and major hurricanes. During the season, 13 tropical depressions formed along with 11 tropical storms, 10 ...
– Category 2 hurricane, no threat to land
*
Hurricane Irwin (2017)
The 2017 Pacific hurricane season was an above average Pacific hurricane season in terms of named storms, though less active than the previous three, featuring eighteen named storms, nine hurricanes, and four major hurricanes. Despite the conside ...
– Category 1 hurricane, no threat to land
*
Tropical Storm Irwin (2023)
The 2023 Pacific hurricane season was an active and highly destructive Pacific hurricane season. In the Eastern Pacific basin (east of 140°W), 17 named storms formed; 10 of those became hurricanes, of which 8 strengthened into ...
– a weak tropical storm, never threatened land
{{DEFAULTSORT:Irwin
Pacific hurricane set index articles