The 1977–78 South-West Indian Ocean cyclone season was an above average cyclone season. The season officially ran from November 1, 1977, to April 30, 1978.
Systems
Intense Tropical Cyclone Aurore
Moderate Tropical Storm Babette
Moderate Tropical Storm Sam–Celimene
Tropical Depression Dulcinee
Moderate Tropical Storm Esther
Tropical Cyclone Fleur
Cyclone Fleur passed just east of Mauritius on January 20, producing wind gusts of , which damaged crops. Heavy rainfall occurred on neighboring Réunion, reaching at Foc Foc.
Moderate Tropical Storm Huberte
The storm passed near Rodrigues.
Moderate Tropical Storm Georgia
Severe Tropical Storm Irena
Moderate Tropical Storm Jacqueline
Moderate Tropical Storm Kiki
On March 7, Kiki reformed near Mauritius and latter passed just southeast of Réunion. Rainfall reached , which flooded coastal roads, damaged bridges, and killed two people.