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Issued 05:00 AM EDT 12 October 2026

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Map of Arctic - Western Arctic marine weather areas Resolute Airport Thomsen River Ulukhaktok Airport Cape Providence Nangmagvik Lake Komakuk Beach Taloyoak Airport Cape Stallworthy Stefansson Island Mould Bay Naujaat Rea Point Pond Inlet Airport Isachsen Igloolik Airport Sanirajak Airport Grise Fiord Airport Gateshead Island Kugluktuk Airport Little Chicago Storm Hills Liverpool Bay Bathurst Inlet Tuktoyaktuk Airport Pelly Island Paulatuk Airport Norman Wells Airport Sachs Harbour Airport Keats Point Inuvik Airport Tulita Airport Fort Good Hope Airport Cape Parry Airport Aklavik Airport Shingle Point Airport Fort Ross Arctic Bay Cambridge Bay Airport CFS Alert Croker River Shepherd Bay Airport Herschel Island Cape Liverpool Cape Peel West Kugaaruk Airport Gjoa Haven Airport Eureka Airport Hat Island
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Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 12 October 2026 Today Tonight and Tuesday At 1200 UTC Monday trough from 987 mb low located from 82N 146W
to 81N 138W then to 76N 166W.
By 0000 UTC Wednesday weakening trough from 996 mb low located
from 77N 124W to 75N 122W then to 71N 142W.

At 0000 UTC Wednesday approaching ridge located from 73N 166W to
82N 119W.

At 1200 UTC Monday departing low 996 mb located at 74N 121W.

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