These clues relate to Coast Watch Report
HINT 01
Plot out the course of the GPS Tracker
HINT 02
Focus on the place names in both the coast guard report and the map
Still totally stuck? Here’s the answer
ANSWER
The Coast Guard Report mentions stopping a boat called ‘Wayward Spirit’ at Roche Harbor, while the GPS Tracker shows a boat making a journey to Friday Harbor and back again. Thus there are two boats making trips that day.