Storm history › East Pacific › 1971 season
Hurricane Ilsa (1971)
Ilsa was a Category 3 hurricane of the 1971 East Pacific season. It was tracked from July 31, 1971 to August 8, 1971, about 9 days, and covered 2,171 miles.
At its peak it had winds of 115 mph (185 km/h) and a lowest pressure of 978 mb.
- Peak wind
- 115 mph
- Lowest pressure
- 978 mb
- Strongest
- Category 3 hurricane
- Landfalls
- None recorded
- Duration
- 9 days
- Track length
- 2,171 mi
- Energy (ACE)
- 10.8
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 241st highest of 1,371 East Pacific storms on record, tied with Hurricane Priscilla (2025), Hurricane Eugene (2017), Hurricane Otis (2017) and 35 more.
- Lowest pressure: 295th lowest of 808 East Pacific storms with a recorded pressure, tied with Hurricane Blas (2022), Hurricane Pali (2016), Hurricane Carlos (2015) and 5 more.
- Energy: 9% of the 1971 East Pacific season's ACE.