Spills · oil

Mystery sheen; grande isle block 37, la

NOAAORR-8100

issued: 2009-09-22 00:00Z
status: cancelled 2009-10-06 00:00Z
self-cancels: 2009-10-06 00:00Z
authority: NOAA OR&R
sea: Gulf of Mexico
position: 29.038, -90.110
source: incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Mystery Sheen; Grande Isle Block 37, LA.
Grande Isle Block 37, LA.
1. At approximately 0830 local time on 22 Sep 09, USCG MSU Morgan City contacted the SSC regarding a 1 mile by 2 mile barely visible sheen approximately 6nm offshore between Belle Pass and Grande Isle, LA. The USCG asked for a trajectory to be sure this would not impact land.
2. THREAT: OIL.
3. POSITION 29.038N 090.110W. NOAA INCIDENTNEWS 8100: https://incidentnews.noaa.gov/incident/8100

This area · spills & pollution incidents

1074 within 180 nm since 1970 · 35 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 · 11 messages since 2009-07-09 · closed 2009-11-30

Off timbalier island, la2009-07-09 → 2009-07-23
On sunday afternoon, 26 july 2009, noaa was notified of an oil spill 33 miles offshore and 60 miles…2009-07-26 → 2009-08-09
Off timbalier island2009-08-15 → 2009-08-29
Sheen; grand isle block 932009-08-25 → 2009-09-08
Gulf of mexico, la2009-09-12 → 2009-09-26
Mystery sheen; grande isle block 37, la this message2009-09-22 → 2009-10-06
Reported sheen, s timbalier block 52; gulf of mexico, off louisiana coast2009-09-26 → 2009-10-10
Mystery spill ship shoal block 118 ; gulf of mexico2009-10-01 → 2009-10-15
Near lake pelto, la2009-10-09 → 2009-10-23
Loop buoy #3; offshore louisiana2009-11-05 → 2009-11-19
Ship shoal area, la2009-11-16 → 2009-11-30

joined by proximity

Nearby now · within 120 nm

Crude oil spill and in-situ burn at tpic; south pass 24, pilottown, louisianaSpills · 43.4 nm
Uscg remote communication facility new orleans 29-53.00N 089-57.00W mf and hf dsc off airNav aids · 51.5 nm
Survey operations in progress until 15 sep by M/V island pride, M/V sanco swift and M/V olympic artemis in…Surveys · 113 nm

Worldwide now

8 spills & pollution incidents in force · see all

Spills

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