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Amundsen

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 20 July 2026

Tonight and Tuesday.

Wind light increasing to northeast 15 knots Tuesday afternoon and to northeast 25 Tuesday evening.

Fog patches dissipating Tuesday afternoon.

Waves

Issued 07:00 PM MDT 20 July 2026
Tonight and Tuesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 PM MDT 20 July 2026
Wednesday Wind northeast 25 knots diminishing to east 15 in the morning then increasing to east 20 late in the day.
Thursday Wind southeast 25 knots increasing to southeast 30 late in the day.
Friday Wind southeast 30 knots.

Ice Forecast

Issued 10:00 AM EDT 20 July 2026 Today Tonight and Tuesday Special ice warning in effect. 5 tenths first-year ice including a trace of old ice except 9 plus tenths first-year ice including 1 tenth old ice in the extreme northern section. Unusual presence of old ice in the extreme northern section today and continuing Tuesday. 

[ 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 20 July 2026 Today Tonight and Tuesday

Ice Coverage

Special ice warning in effect.

5 tenths first-year ice including a trace of old ice except 9 plus
tenths first-year ice including 1 tenth old ice in the extreme
northern section.
Unusual presence of old ice in the extreme northern section today
and continuing Tuesday.

Warnings

Warnings (In effect)

Special ice warning in effect

Amundsen

Issued 10:00 AM EDT 20 July 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 20 July 2026 Tonight and Tuesday At 0000 UTC Tuesday high 1026 mb located at 76N 146W.
By 0000 UTC Wednesday ridge from 1026 mb high located from 76N
169W to 72N 113W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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