A tropical wave developed into Tropical Depression Nine at 0600 UTC on August 21 , while located about east of the Lesser Antilles . The depression headed just north of due west and twelve hours later , strengthened into Tropical Storm Isaac . After intensifying somewhat further , Isaac passed through the Leeward Islands on August 22 . A few islands reported tropical storm force winds and light rainfall , but no damage occurred . Unfavorable conditions , primarily dry air , as well as a reformation of the center caused Isaac to remain disorganized in the eastern Caribbean Sea . Early on August 25 , Isaac made landfall near Jacmel , Haiti as a strong tropical storm . Strong winds and heavy rain impacted numerous camps set up after the 2010 Haiti earthquake , with about 6,000 people losing shelter . Approximately 1,000 houses were destroyed , resulting in about $ 8 million in damage ; there were 24 deaths confirmed . In neighboring Dominican Republic , 864 houses were damaged and cross loses reached approximately $ 30 million ; five deaths were reported . Isaac became slightly disorganized over Haiti and re-emerged into the Caribbean Sea later on August 25 , hours before striking Guantánamo Province , Cuba with winds of 60 mph ( 95 km/h ) . There , 6 homes were destroyed and 91 sustained damage
2010 Haiti earthquake
2010 Haiti earthquake
2012 Atlantic hurricane season