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Great Slave Lake - basin

Warnings

Forecast

Marine Forecast

Issued 05:00 PM MST 16 November 2025

Tonight and Monday.

Strong wind warning in effect.

Wind southeast 15 knots increasing to southeast 20 early this evening then backing to east 25 after midnight. Wind diminishing to southeast 15 late Monday morning then becoming northwest 15 Monday afternoon.

Snow beginning near midnight changing to scattered flurries Monday afternoon. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray beginning this evening and ending Monday morning.

Temperatures near minus 5.

Extended Forecast

Issued 05:00 PM MST 16 November 2025
Tuesday Wind northwest 15 knots diminishing to light in the morning.
Wednesday Wind 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 - basin

Issued 5:00 PM 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 - basin

Issued 5:00 PM 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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