Spills · oil
Cook inlet, alaska
Monarch Granite Point; Cook Inlet, Alaska · NOAAORR-9798
- issued
- 2018-09-24 00:00Z
- status
- cancelled 2018-10-08 00:00Z
- self-cancels
- 2018-10-08 00:00Z
- authority
- NOAA OR&R
- sea
- Gulf of Alaska
- position
- 60.956, -151.332
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Monarch Granite Point; Cook Inlet, Alaska. Cook Inlet, Alaska. 1. On 6-Sep-2018, Hilcorp reported a sheen incident 400 feet NE of their Granite Point oil drilling platform in Cook Inlet. The sheen is believed to be from a sunken vessel, Monarch. The USCG recovered sheen samples and would like NOAA to analyze the samples and determine the oil type. 2. THREAT: OIL. COMMODITY: DIESEL. 3. POSITION 60.956N 151.332W. NOAA INCIDENTNEWS 9798: https://incidentnews.noaa.gov/incident/9798
This area · spills & pollution incidents
111 within 180 nm since 1985 · 5 in the last 12 months · 1 in force now
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26
- Western cook inlet, ak2026-08-24
- Resurrection bay, seward, ak2026-06-13
- Anchorage, ak 99501, USA2026-04-16
- Whittier, ak 99693, USA2026-01-20
- Prince william sound, ak2025-12-08
- Kodiak island, ak2025-09-02
Season · when spills & pollution incidents happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Western cook inlet, akSpills · 5 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.