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Great Slave Lake - basin

Warnings

Forecast

Marine Forecast

Issued 05:00 PM MST 17 November 2025

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 15 knots increasing to northwest 20 early this evening then diminishing to northwest 15 after midnight. Wind diminishing to light early Tuesday morning.

Snow changing to scattered flurries near midnight and ending Tuesday afternoon. Visibility 1 mile or less in snow.

Temperatures minus 5 falling to minus 9 overnight.

Extended Forecast

Issued 05:00 PM MST 17 November 2025
Wednesday Wind light.
Thursday Wind light becoming southeast 15 knots late in the day.
Friday Wind southeast 25 knots diminishing to south 15.

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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 17 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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