Great Slave Lake - north arm


Marine Forecast

Issued 05:00 AM MDT 20 October 2018

Today Tonight and Sunday.

Gale warning in effect.

Wind southeast 30 knots with gusts to 35 diminishing to west 20 this morning then increasing to northwest 30 to 35 late overnight. Wind diminishing to north 15 near noon Sunday and to light Sunday evening.

Snow or rain ending this morning. Flurries Sunday morning. Visibility 1 mile or less in precipitation.

Temperatures plus 1 falling to minus 2 Sunday evening.

Extended Forecast

Issued 05:00 AM MDT 20 October 2018
Monday Wind light increasing to southeast 20 knots in the morning and to southeast 25 in the afternoon.
Tuesday Wind south 15 knots diminishing to light.
Wednesday Wind southeast 20 knots increasing to southeast 25.

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Weather Conditions

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Great Slave Lake - north arm

Issued 05:00 AM MDT 20 October 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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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