The latest operation took place October 29 at the port.
The first operation took place on Monday, October 28, when police seized 8.83 tons of cannabis resin concealed in an international transport truck.
Police arrested the driver, who was a Spanish national.
A statement from the General Directorate of National Security (DGSN) said that police detected the concealed drug with an x-ray scanner.
The second operation took place on Tuesday, October 29, when police and customs services collaborated to seize 4 tons of cannabis at the port.
The police arrested the driver of an international transport truck registered in Morocco.
A statement from the DGSN said that the 44-year old suspect was heading for Europe when police arrested him.
Police are conducting an investigation to determine the circumstances of the case.
Both operations are part of Morocco’s efforts to combat drug trafficking and cross-border crimes.
This month, customs announced that its services seized a total of 8,342 kilograms of cannabis resin the portS of Casablanca and Tangier Med since October 11.
The customs office also said in May Moroccan customs seized 19.2 tons of cannabis resin in 2018, 14.7 tons less than the amount of cannabis resin seized in 2017 ( 33.7 tons).
Meanwhile, police seized 112 tons and 138 kilograms of cannabis and its derivatives from January 1 to September 15, 2019.
The Monday-Tuesday operations followed several other similar crackdowns across Morocco.
Moroccan customs seized on Monday, October 29, one ton of cannabis resin at the Guerguerat crossing point.