Storm history › South Indian Ocean
2026 South Indian Ocean cyclone season
The 2026 South Indian Ocean season had 20 storms of tropical-storm strength or more, 10 of them cyclones and 6 major (Category 3 or stronger). One reached Category 5: Horacio.
The first storm was tracked from July 14, 2025 and the last ended on April 28, 2026. The strongest by wind was Cyclone Horacio (2026), at 160 mph (255 km/h). The season's accumulated cyclone energy (ACE) was 149.1.
- Storms
- 20
- Cyclones
- 10
- Major
- 6
- Category 5
- 1
- ACE
- 149.1
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Unnamed tropical storm 1, 2026 South Indian Ocean | Jul 14 – Jul 20 | 40 mph |
| Tropical Storm Awo | Aug 4 – Aug 11 | 40 mph |
| Tropical Storm Blossom | Sep 5 – Sep 14 | 40 mph |
| Tropical Storm Chenge | Oct 16 – Oct 28 | 70 mph |
| Cyclone Fina | Nov 15 – Nov 26 | 125 mph |
| Cyclone Bakung | Dec 10 – Dec 18 | 90 mph |
| Cyclone Grant | Dec 14 – Jan 7 | 135 mph |
| Cyclone Hayley | Dec 27 – Jan 1 | 100 mph |
| Tropical Storm Iggy | Dec 31 – Jan 4 | 50 mph |
| Cyclone Jenna | Jan 3 – Jan 9 | 100 mph |
| Cyclone Dudzai | Jan 9 – Jan 22 | 145 mph |
| Tropical Storm Ewetse | Jan 19 – Jan 21 | 60 mph |
| Tropical Storm Luana | Jan 21 – Jan 28 | 60 mph |
| Cyclone Fytia | Jan 28 – Feb 7 | 115 mph |
| Cyclone Gezani | Feb 4 – Feb 21 | 125 mph |
| Cyclone Horacio | Feb 17 – Mar 3 | 160 mph |
| Unnamed tropical storm 17, 2026 South Indian Ocean | Feb 28 – Mar 6 | 45 mph |
| Unnamed tropical storm 18, 2026 South Indian Ocean | Mar 3 – Mar 12 | 40 mph |
| Cyclone Indusa | Mar 29 – Apr 6 | 100 mph |
| Tropical Storm Juluka | Apr 26 – Apr 28 | 45 mph |