Recreational pilot reports mystery sheen off San Clemente, CA

Off San Clemente, CA | 2020-Aug-31

Initial Notification: In the early afternoon of 30-AUG-2020, a recreational pilot observed a mystery sheen roughly 3.75 miles offshore of San Clemente, CA (between Dana Point and Oceanside). A report was made to the National Response Center almost 24 hrs after the observation, describing the sheen as rainbow in color and roughly 50 feet in diameter. USCG Sector San Diego requested trajectory input in the event they conduct a helicopter overflight.