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Great Slave Lake - north arm

Warnings

Forecast

Marine Forecast

Issued 05:00 AM MST 12 November 2025

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 early this morning and to light this evening. Wind becoming east 10 near midnight then increasing to east 15 Thursday afternoon.

Scattered flurries ending near noon. Flurries Thursday afternoon changing to snow. Visibility as low as 1 mile in snow.

Temperatures near minus 7.

Extended Forecast

Issued 05:00 AM MST 12 November 2025
Friday Wind east 15 knots backing to north 15 in the morning.
Saturday Wind northwest 15 knots diminishing to light.
Sunday Wind light.

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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

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 MST 12 November 2025

'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 or Weatheradio stations.

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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