 Officials in Oaxaca shut down beaches and warned people not to venture out into the water . Residents were advised of potentially heavy rainfall . Along coastal areas of Mexico , specifically around Acapulco , officials closed ports to small crafts due to rough seas . Residents around the city were also warned about the possibility of mudslides from heavy rain associated with the cyclone 's outer bands . Upon Rick 's intensification to a Category 4 hurricane , officials in Mexico raised the alert level in Guerrero , Jalisco and Michoacán to severe . In Sonora , the local government placed 14 municipalities under a blue alert , the pre @-@ storm phase ; the alert was upgraded to a yellow alert for the municipalities of Álamos , Benito Juárez , Navojoa , Etchojoa and Huatabampo on October 18 . 
