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

Canada

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Great Slave Lake - north arm

Marine Forecast

Issued 05:00 PM MDT 13 September 2026

Tonight and Monday.

Strong wind warning in effect.

Wind northwest 15 knots increasing to northwest 20 Monday evening.

Scattered showers Monday afternoon. Fog patches forming late this evening and dissipating Monday morning.

Winds

Issued 05:00 PM MDT 13 September 2026

Tonight and Monday. Strong wind warning in effect. Wind northwest 15 knots increasing to northwest 20 Monday evening.

Weather & Visibility

Issued 05:00 PM MDT 13 September 2026

Tonight and Monday. Scattered showers Monday afternoon. Fog patches forming late this evening and dissipating Monday morning.

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 13 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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