Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 13 February 2016

Today Tonight and Sunday

Wind northwest 25 knots diminishing to northwest 10 early this evening then becoming light near midnight. Wind increasing to south 15 Sunday morning and to south 20 near noon Sunday. Wind increasing to south 25 Sunday evening.

Flurries at times heavy changing to chance of flurries this evening.

Freezing spray warning in effect.

Severe freezing spray becoming moderate near noon and ending this evening. Moderate freezing spray beginning Sunday morning and ending Sunday evening.

Waves

Issued 03:00 AM EST 13 February 2016
Today Tonight and Sunday Waves one and one half metres subsiding to one early this morning and to less than one half metre early this evening. Waves building to one half metre Sunday morning and to one Sunday afternoon.

Extended Forecast

Issued 03:00 AM EST 13 February 2016
Monday Wind south 25 knots diminishing to southwest 15 late in the day.
Tuesday Wind north 15 knots increasing to north 25.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 12 February 2016 Today Tonight and Saturday Open water except 9 tenths of thin lake ice along the southern shore. 9 tenths of thin lake ice including 3 tenths of medium lake ice in Thunder Bay. Consolidated thick lake ice in Black Bay and Nipigon Bay.

*Ice Forecast and Warnings also apply to U.S. waters

 

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Map of Great Lakes - Lake Superior marine weather areas Mid Superior - 45001 East Superior - 45004 West Superior - 45006 Slate Island - 45136 Lake Of the Woods - 45148 Royal Island Armstrong Airport Caribou Island Marathon Airport Pukaskwa National Park Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Kenora Airport
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EST 12 February 2016 Today Tonight and Saturday

Ice Coverage

Open water except 9 tenths of thin lake ice along the southern
shore. 9 tenths of thin lake ice including 3 tenths of medium lake
ice in Thunder Bay. Consolidated thick lake ice in Black Bay and
Nipigon Bay.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Western Lake Superior

Issued 03:00 AM EST 13 February 2016

Moderate or severe freezing spray is 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 13 February 2016 Today Tonight and Sunday At 3:00 a.m. EST today high 1042 mb located over Minnesota.
By 3:00 a.m. EST Sunday approaching high 1040 mb located over
Lower Michigan.

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