The slave ship Zephir left the African coast carrying enslaved Africans toward Martinique. About 135 people had been taken aboard.

Vessel: Zephir; flag: France; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Investor: Prudhomme de Fontenay, Pierre; Captain: Hiron, Julien. The voyage began at Nantes on 31 January 1740. Principal recorded place where captives were acquired: Epe (Bight of Benin). Principal recorded disembarkation place: Martinique, place unspecified. Recorded duration of the captives' Atlantic crossing: 96 days. Estimated mortality during the crossing: 7.0%. Recorded outcome: Voyage completed as intended.