Great Slave Lake - Basin, Canada Marine Forecast, Warnings and Alerts

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Great Slave Lake - basin

Marine Forecast

Issued 05:00 PM MDT 16 August 2025

Tonight and Sunday.

Strong wind warning in effect.

Wind east 20 knots veering to south 20 near midnight then diminishing to east 15 near noon Sunday. Wind diminishing to light Sunday evening.

Showers tonight and Sunday.

Winds

Issued 05:00 PM MDT 16 August 2025

Tonight and Sunday. Strong wind warning in effect. Wind east 20 knots veering to south 20 near midnight then diminishing to east 15 near noon Sunday. Wind diminishing to light Sunday evening.

Weather & Visibility

Issued 05:00 PM MDT 16 August 2025

Tonight and Sunday. Showers tonight and Sunday.

There is no ice forecast issued for this area.

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - basin

Issued 5:00 PM MDT 16 August 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.

There is no Synopsis issued for this area.

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