Great Slave Lake - North Arm, Canada Marine Forecast, Warnings and Alerts

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Great Slave Lake - north arm

Marine Forecast

Issued 05:00 PM MDT 25 September 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind southeast 10 knots increasing to northeast 15 late overnight and to northeast 20 Saturday morning. Wind increasing to northeast 30 Saturday evening.

Winds

Issued 05:00 PM MDT 25 September 2026

Tonight and Saturday. Strong wind warning in effect. Wind southeast 10 knots increasing to northeast 15 late overnight and to northeast 20 Saturday morning. Wind increasing to northeast 30 Saturday evening.

There is no ice forecast issued for this area.

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - north arm

Issued 5:00 PM MDT 25 September 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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