Spills · oil

7J3F+MJ dauphin island, al, USA

Mystery Sheen, Petit Bois Pass; Dauphin Island, Alabama · NOAAORR-11055

issued
2025-08-21 00:00Z
status
cancelled 2025-09-04 00:00Z
self-cancels
2025-09-04 00:00Z
authority
NOAA OR&R
sea
Gulf of Mexico
position
30.254, -88.376
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen, Petit Bois Pass; Dauphin Island, Alabama.
7J3F+MJ Dauphin Island, AL, USA.
1. At approximately 1545 local time, a U.S. Coast Guard (USCG) helicopter conducting a training overflight spotted a surface anomaly in the vicinity of the pass between Petit Bois and Dauphin Island. USCG Sector Mobile Incident Management Division conducted follow-up investigations with Chevron at Bayou Casotte to determine if any active lines in the region of the observed anomaly. Chevron indicated only natural gas lines in area and no loss of pressure. USCG contacted the NOAA Scientific Support Coordinator (SSC) to assist in identifying potential sources in the area and likely transport. USCG will conduct assessment via uncrewed aerial systems and vessel in the morning. Winds are light and variable, somewhat SW and tide is rising with high tide at 0948 on 22 Aug. SSC standing by for further assistance.
2. THREAT: OIL.
3. POSITION 30.254N 088.376W. NOAA INCIDENTNEWS 11055: https://incidentnews.noaa.gov/incident/11055

This area · spills & pollution incidents

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