The 1981–82 South-West Indian Ocean cyclone season was destructive and deadly in Madagascar, where four cyclones killed 100 people and caused $250 million (USD) in damage. The season was fairly active, lasting from October to May. There were nine named storms that attained gale-force winds, or at least 65 km/h (40 mph). Five of the storms attained tropical cyclone status, which have 10-minute sustained winds of at least 120 km/h (75 mph).