Spills · mystery_substance

Vicinity of main pass, la

Mystery Sheen, Main Pass La; Vicinity of Main Pass, la · NOAAORR-9250

issued: 2016-03-16 00:00Z
status: cancelled 2016-03-30 00:00Z
self-cancels: 2016-03-30 00:00Z
authority: NOAA OR&R
sea: Gulf of Mexico
position: 29.374, -89.033
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen, Main Pass LA; Vicinity of Main Pass, LA.
Vicinity of Main Pass, LA.
1. On April 16, 2016, the NOAA RRO was contacted by Sector New Orleans about a 2 mile long mystery sheen located in the vicinity of Main Pass. This is a notification only; no other assistance is requested at this time.
2. THREAT: OIL. TAGS: MYSTERY SUBSTANCE.
3. POSITION 29.374N 089.033W. NOAA INCIDENTNEWS 9250: https://incidentnews.noaa.gov/incident/9250

This area · spills & pollution incidents

1005 within 180 nm since 1970 · 34 in the last 12 months · 2 in force now

Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisiana2026-08-26
8X38+5H dauphin island, al, USA2026-08-24
Mystery sheen at south pass 29; port eads, louisiana2026-08-13
Wcc oil spill, main pass 21; breton sound, louisiana2026-06-11
Tpic oil spill, main pass 81; gulf of america2026-06-10
Oil spill from out-of-service tank at tpic main pass 69 facility; louisiana2026-05-19

Season · when spills & pollution incidents happen here

month of issue, all years in the archive

Timeline · 5 messages since 2016-02-22 · closed 2016-05-11

Whitney oil & gas wellhead leak; garden island bay, plaquemines, la2016-02-22 → 2016-03-07
Vicinity of main pass, la this message2016-03-16 → 2016-03-30
East cox bay, la2016-03-22 → 2016-04-05
Delta nwr, plaquemines, la2016-03-25 → 2016-04-08
Baptiste collette, la2016-04-27 → 2016-05-11

joined by proximity

Nearby now · within 120 nm

Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisianaSpills · 22.1 nm
Uscg remote communication facility new orleans 29-53.00N 089-57.00W mf and hf dsc off airNav aids · 56.8 nm
8X38+5H dauphin island, al, USASpills · 76.3 nm

Worldwide now

8 spills & pollution incidents in force · see all

Spills

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.