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Great Slave Lake - north arm

Warnings

Forecast

Marine Forecast

Issued 05:00 AM MDT 07 September 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind south 10 knots increasing to northwest 15 early this afternoon then diminishing to light late overnight. Wind increasing to southeast 20 Tuesday afternoon then veering to southwest 20 Tuesday evening.

Scattered showers ending this morning. Scattered showers Tuesday evening. Fog patches forming overnight and dissipating Tuesday morning.

Extended Forecast

Issued 05:00 AM MDT 07 September 2026
Wednesday Wind southwest 20 knots diminishing to light in the morning.
Thursday Wind light increasing to north 30 knots.
Friday Wind north 30 knots diminishing to north 15 late in the day.

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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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - north arm

Issued 05:00 AM MDT 07 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

There is no Synopsis issued for this area.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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