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Great Slave Lake - basin

Forecast

Marine Forecast

Issued 05:00 PM MDT 03 August 2020

Tonight and Tuesday.

Strong wind warning in effect. Squall watch in effect.

Wind south 10 knots increasing to southwest 20 early Tuesday morning and to southwest 30 Tuesday afternoon. Wind diminishing to west 20 Tuesday evening.

Showers or a few thunderstorms ending after midnight. Showers Tuesday.

Extended Forecast

Issued 05:00 PM MDT 03 August 2020
Wednesday Wind west 20 knots increasing to west 30 in the morning then diminishing to light late in the day.
Thursday Wind light increasing to northeast 25 knots late in the day.
Friday Wind east 20 knots becoming southwest 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

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - basin

Issued 5:00 PM MDT 03 August 2020

'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.

Watches (In effect)

Squall watch in effect

Great Slave Lake

Issued 09:31 AM MDT 03 August 2020 Conditions are favourable for the development of squalls with wind gusts up to 35 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times.


Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

There is no Synopsis issued for this area.

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