This passage is blocked by wrecks because of its narrowness and of the fact it is one of the windiest places with The "Cap Corse". The strong winds which blow are the Libeccio and the Gregale winds typically Corsican and the sirocco wind coming directly from Sahara.
It is so a fragile zone for which Italy and France signed agreements to forbid the crossing of it vessels transporting dangerous products.
The lighthouse of Madonnetta marks there the entrance of Bonifacio's narrow.