Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 April 2015

Today Tonight and Sunday

Wind north 10 knots becoming light near noon then increasing to east 15 this evening. Wind veering to southeast 20 late overnight then increasing to southeast 25 near noon Sunday.

Periods of rain beginning Sunday morning.

Waves

Issued 10:30 AM EDT 18 April 2015
Today Tonight and Sunday Over open water waves less than one half metre building to one half metre near midnight and to one early Sunday morning. Waves building to 2 Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 18 April 2015
Monday Wind southeast 25 knots backing to northeast 20 late in the day.
Tuesday Wind north 20 knots increasing to north 30 late in the day.
Wednesday Wind northwest 30 knots diminishing to northwest 20.

Ice Forecast*

Issued 12:00 PM EDT 18 April 2015 Today Tonight and Sunday Special ice warning in effect. 2 tenths of thick lake ice except 9 plus tenths of thick lake ice over the eastern section. Unusual presence of lake ice in eastern and western section.

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

 

[ Canadian Ice Service ]

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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 Cameron Falls Caribou Island Geraldton Airport 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 EDT 18 April 2015 Today Tonight and Sunday

Ice Coverage

Special ice warning in effect.

2 tenths of thick lake ice except 9 plus tenths of thick lake ice
over the eastern section. Unusual presence of lake ice in eastern
and western section.

Warnings

Warnings (In effect)

Special ice warning in effect

Eastern Lake Superior

Issued 12:00 PM EDT 18 April 2015

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 April 2015 Today Tonight and Sunday At 10:30 a.m. EDT today departing low 1011 mb located over
southwestern Quebec.

At 10:30 a.m. EDT today high 1026 mb located near Lake Nipigon.
By 10:30 a.m. EDT Sunday high 1031 mb located over southwestern
Quebec.

At 10:30 a.m. EDT today trough located on a line north-south over
central Saskatchewan.
By 10:30 a.m. EDT Sunday trough located on a line north-south over
western Minnesota.

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