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Marine Forecast

Issued 05:30 PM EDT 18 August 2026

Tonight and Wednesday.

Wind southeast 20 knots tonight and Wednesday.

Rain tonight and Wednesday. Fog patches.

Temperatures near plus 2.

Waves

Issued 05:30 PM EDT 18 August 2026
Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 05:30 PM EDT 18 August 2026
Thursday Wind southeast 20 knots increasing to north 25 in the morning then diminishing to north 15 late in the day.
Friday Wind north 15 knots diminishing to light.
Saturday Wind light.

Ice Forecast

Issued 11:00 AM EDT 18 August 2026 Today Tonight and Wednesday 7 tenths first-year ice including 2 tenths old ice except 9 plus tenths first-year ice including 4 tenths old ice in the southwestern section. 

[ Canadian Ice Service ]

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Map of Mackenzie - Mackenzie River marine weather areas Kugluktuk Airport Great Slave Lake - 45141 Keats Point Łutselk'e Airport Storm Hills Hay River/Merlyn Carter Airport Norman Wells Airport Cape Peel West Paulatuk Airport Great Slave Lake North Arm - 45150 Liverpool Bay Pelly Island Hat Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Bathurst Inlet Croker River Sachs Harbour Airport Thomsen River Ulukhaktok Airport Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City Cape Providence Komakuk Beach Little Chicago Cambridge Bay Airport Shingle Point Airport Inuvik Airport Aklavik Airport Cape Parry Airport Herschel Island Gateshead Island Fort Good Hope Airport Stefansson Island Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Inner Whaleback Rocks
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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 18 August 2026 Today Tonight and Wednesday

Ice Coverage

7 tenths first-year ice including 2 tenths old ice except 9 plus
tenths first-year ice including 4 tenths old ice in the southwestern
section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 18 August 2026 Today Tonight and Wednesday At 1200 UTC Tuesday departing trough from low located from 85N
140W to 79N 95W.

At 1200 UTC Tuesday low 994 mb located at 70N 135W.
By 0000 UTC Thursday low 994 mb located at 72N 107W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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