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Great Slave Lake - north arm


Marine Forecast

Issued 05:00 AM MST 10 December 2023

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 10 knots increasing to north 20 early this afternoon and to north 30 early this evening. Wind diminishing to northwest 15 Monday morning and to east 10 Monday afternoon. Wind increasing to southeast 15 Monday evening.

Snow beginning early this morning changing to scattered flurries this evening and ending near noon Monday. Visibility 1 mile or less in snow.

Temperatures minus 10 falling to minus 20 Monday evening.

Extended Forecast

Issued 05:00 AM MST 10 December 2023
Tuesday Wind southeast 20 knots increasing to southeast 25 in the morning.
Wednesday Wind southwest 20 knots increasing to west 35 late in the day.
Thursday Wind west 30 knots diminishing to northwest 20.

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Lutselke Airport Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Liverpool Bay Little Chicago Storm Hills Bathurst Inlet Kugluktuk Airport Hat Island Croker River Cambridge Bay Airport Cape Peel West Gateshead Island Stefansson Island Cape Providence Ulukhaktok Airport Sachs Harbour Airport Thomsen River Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City
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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - north arm

Issued 05:00 AM MST 10 December 2023

'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.


There is no Synopsis issued for this area.

Mackenzie - Mackenzie River Area

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