The purpose of this study was to determine the potential area for catching cakalang (Katsuwonus pelamis) based on the distribution of chlorophyll-a satellite image of the NPP VIIRS in West Sumatra by 2013. The methods used in this study are a survey method and spatial analysis. The results of this study suggest that the location of the fishing ground cakalang by 2013 is at position 00 25 ' 48 "…