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 24 August 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 10 late overnight then becoming light early Tuesday morning. Wind becoming east 15 Tuesday evening.

Winds

Issued 05:00 PM MDT 24 August 2026

Tonight and Tuesday. Strong wind warning in effect. Wind northwest 20 knots diminishing to northwest 10 late overnight then becoming light early Tuesday morning. Wind becoming east 15 Tuesday evening.

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 24 August 2026

'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.

There is no Synopsis issued for this area.

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