Mystery Sheen in Grande Isle 18; Grand Isle, Louisiana

Grand Isle, LA, USA | 2026-Feb-25

Initial Notification: On February 24, 2026, NESDIS (the National Environmental Satellite, Data, and Information Service of NOAA) identified an anomaly in offshore oil and gas field Garden Isle 18 from imagery collected on February 23. An overflight by the Bureau of Safety and Environmental Enforcement (BSEE) confirmed the presence of a sheen. The sheen is in the vicinity of abandoned Exxon wells and Cox and W&T pipelines. Investigation into the source is underway. No requests for additional NOAA support at this time.