This data set was acquired with a ship-based Echosounder Sonar, Thermosalinograph, Navigation system, Fluorometer, and MeteorologicalSensor during Laurence M. Gould expedition LMG1508 conducted in 2015 (). These data files are of JGOFS (ASCII) format and include Navigation, Bathymetry, Temperature, Infrared Radiation, Visible Radiation, Conductivity, Fluorescence, Salinity, and Meteorological data and were processed after data collection. This data set was created from calibrated data decimated at 1-minute intervals. Several fields are derived measurements from more than a single raw input.