A wound monitoring system including a sensor for detecting color and flow rate of a fluid flowing through a wound drain tubing, a base station for receiving color and flow rate data from the sensor over the one or more networks, for storing the data, and for sending notifications over the one or more networks, and a user device for receiving the notification over the one or more networks. Also disclosed is a wound monitoring system that includes the sensor, the base station, a cloud server, and the user device. The base station receives the data from the sensor and transmits the data over one or more networks to the cloud server. Further disclosed is a wound drain monitoring method that employs the wound monitoring system.