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Banks

Forecast

Marine Forecast

Issued 07:00 AM MDT 20 July 2025

Today Tonight and Monday.

Wind light today tonight and Monday.

Fog forming near midnight and dissipating Monday evening.

Temperatures near zero.

Waves

Issued 07:00 AM MDT 20 July 2025
Today Tonight and Monday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 20 July 2025
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind north 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 20 July 2025 Today Tonight and Monday Special ice warning in effect. 4 tenths old ice except 9 tenths old ice in the western section. Unusual presence of old ice in the southeastern section today and continuing Monday. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 20 July 2025 Today Tonight and Monday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Special ice warning in effect.

4 tenths old ice except 9 tenths old ice in the western section.
Unusual presence of old ice in the southeastern section today and
continuing Monday.

Warnings

Warnings (In effect)

Special ice warning in effect

Banks

Issued 10:00 AM EDT 20 July 2025

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 AM MDT 20 July 2025 Today Tonight and Monday At 1200 UTC Sunday ridge from 1031 mb high located from 77N 148W
to 68N 128W.
By 0000 UTC Tuesday ridge from 1024 mb high located from 78N 136W
to 68N 120W.

By 0000 UTC Tuesday trough located over Arctic Coast of Alaska.

Mackenzie - Mackenzie River Area

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