Various implementations described herein are directed to a wearable device (100) used to record fishing data. The wearable device may include a housing (120). The housing may include a sensor (140) or sensors to detect motion. The housing may include a computer system (130) with a processor and memory. The memory may have a plurality of executable instructions. When the executable instructions are executed by the processor, the processor may receive motion data from the sensor or sensors and determine whether a cast has been made.