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 AM MDT 04 October 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southeast 10 knots increasing to southeast 20 this morning and to southeast 25 to 30 this afternoon. Wind diminishing to southwest 15 late overnight and to light Monday afternoon.

Rain tonight. Fog patches dissipating early this morning.

Winds

Issued 05:00 AM MDT 04 October 2026

Today Tonight and Monday. Strong wind warning in effect. Wind southeast 10 knots increasing to southeast 20 this morning and to southeast 25 to 30 this afternoon. Wind diminishing to southwest 15 late overnight and to light Monday afternoon.

Weather & Visibility

Issued 05:00 AM MDT 04 October 2026

Today Tonight and Monday. Rain tonight. Fog patches dissipating early this morning.

There is no ice forecast issued for this area.

Warnings (In effect)

Strong wind warning in effect

Great Slave Lake - north arm

Issued 05:00 AM MDT 04 October 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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