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Great Slave Lake - north arm

Warnings

Forecast

Marine Forecast

Issued 05:00 AM MST 16 November 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind east 10 knots increasing to southeast 20 early this afternoon then diminishing to northeast 15 Monday afternoon.

Scattered flurries changing to snow Monday morning and ending Monday afternoon. Visibility as low as 1 mile in snow.

Freezing spray warning in effect.

Freezing spray beginning this afternoon and ending Monday afternoon.

Temperatures minus 11 rising to minus 6 Monday afternoon.

Extended Forecast

Issued 05:00 AM MST 16 November 2025
Tuesday Wind light becoming southeast 15 knots in the afternoon.
Wednesday Wind southeast 15 knots diminishing to light.
Thursday Wind light increasing to south 20 knots late in the day.

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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 16 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.

Freezing spray warning in effect

Great Slave Lake - north arm

Issued 05:00 AM MST 16 November 2025

Moderate or severe freezing spray is 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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