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Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 21 July 2026

Tonight and Wednesday.

Wind northwest 15 knots diminishing to light late overnight then increasing to southeast 20 Wednesday afternoon.

Fog patches dissipating near midnight.

Waves

Issued 07:00 PM MDT 21 July 2026
Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 PM MDT 21 July 2026
Thursday Wind southeast 20 knots diminishing to light in the morning then increasing to southeast 25 late in the day.
Friday Wind southeast 25 knots.
Saturday Wind northwest 25 knots backing to west 30 late in the day.

Ice Forecast

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday 2 tenths first-year ice. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday

Ice Coverage

2 tenths first-year ice.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 21 July 2026 Tonight and Wednesday At 0000 UTC Wednesday quasi-stationary trough located from 67N
70W to 71N 83W.

By 0000 UTC Thursday approaching high 1018 mb located at 71N 112W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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