Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EST 20 January 2018

Today Tonight and Sunday.

Wind northwest 15 knots diminishing to light this afternoon then becoming northeast 10 Sunday morning. Wind increasing to northeast 20 Sunday afternoon.

Chance of flurries today and beginning near noon Sunday.

Waves

Issued 10:30 AM EST 20 January 2018
Today Tonight and Sunday. Waves 2 metres subsiding to one near noon and to less than one half metre early this evening. Waves building to one Sunday evening.

Extended Forecast

Issued 03:00 AM EST 20 January 2018
Monday Wind northeast 25 knots.
Tuesday Wind northeast 35 knots diminishing to north 25.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 20 January 2018 Today Tonight and Sunday Open water except 8 tenths thin lake ice along parts of the the southern and eastern shores.

*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 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 20 January 2018 Today Tonight and Sunday

Ice Coverage

Open water except 8 tenths thin lake ice along parts of the the
southern and eastern shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 20 January 2018 Today Tonight and Sunday At 10:30 a.m. EST today low 988 mb located over eastern Quebec.
By 10:30 a.m. EST Sunday departing low 980 mb located east of
Labrador.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over northern Manitoba.
By 10:30 a.m. EST Sunday ridge located on a line northwest-southeast
over northern Ontario.

At 10:30 a.m. EST Sunday approaching low 1003 mb located over
Colorado.

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