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Why was the Cape of Good Hope first called the Cape of Storms?

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Map showing the transatlantic and global routes of major early voyages of discovery and exploration by Spain, Portugal, England, and France during the 15th and 16th centuries. The map traces the journeys of explorers such as Columbus, Cabot, Magellan, da Gama, and others, with labeled paths crossing the Atlantic and encircling Africa and South America, as well as lines of demarcation dividing Spanish and Portuguese exploration zones. — European exploration Map depicting the European exploration of the New World in the 15th and 16th centuries, including the voyages made by Christopher Columbus, John Cabot, Alonso de Ojeda and Amerigo Vespucci, Pedro Álvares Cabral, Ferdinand Magellan and Juan Sebastián del Cano, Giovanni da Verrazzano, Jacques Cartier, Sir Francis Drake, and others. The lines of demarcation represent an early division between the territory of Spain (to the west) and Portugal (to the east).

The Cape of Good Hope was originally named the Cape of Storms by the Portuguese navigator Bartolomeu Dias in 1488. The name reflected the treacherous conditions and rough seas he encountered while attempting to navigate around the southern tip of the African continent.12

Historical accounts suggest that King John II of Portugal later renamed the promontory the Cape of Good Hope. This change was intended to signify that the discovery of a sea route around Africa was a positive omen, indicating that India could indeed be reached by sea from Europe, thereby opening vital new maritime trade routes. Some historical sources, however, attribute the name "Cape of Good Hope" to Dias himself.12