Great Slave Lake - north arm


Marine Forecast

Issued 05:00 PM MDT 02 July 2015

Tonight and Friday

Strong wind warning in effect.

Wind light becoming east 10 knots near midnight then increasing to east 25 late overnight. Wind diminishing to east 15 Friday morning then increasing to northwest 25 near noon Friday. Wind diminishing to west 15 Friday evening.

Showers beginning early Friday morning and ending Friday evening with a risk of thunderstorms. Smoke dissipating early Friday morning. Fog forming Friday evening. Visibility 1 mile or less in smoke and in fog.

Extended Forecast

Issued 05:00 PM MDT 02 July 2015
Saturday Wind light increasing to northeast 25 knots in the morning then diminishing to light in the afternoon.
Sunday Wind west 15 knots backing to south 20 late in the day.
Monday Wind northwest 20 knots.

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Weather Conditions

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Ice Conditions

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 02 July 2015

'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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