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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 19 January 2021

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 20 knots diminishing to northwest 15 this afternoon then becoming variable 15 near midnight. Wind increasing to southwest 20 early Wednesday morning then backing to south 25 late Wednesday morning. Wind increasing to south 35 Wednesday afternoon then diminishing to southwest 30 Wednesday evening.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending near noon. Risk of freezing spray this afternoon. Risk of freezing spray Wednesday afternoon.

Waves

Issued 10:30 AM EST 19 January 2021
Today Tonight and Wednesday. Waves 2 metres subsiding to one and one half metres near noon and to one early this evening. Waves building to 2 near noon Wednesday and to 3 Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 19 January 2021
Thursday Wind southwest 30 knots veering to northwest 30 in the afternoon.
Friday Wind northwest 25 knots.
Saturday Wind north 20 knots diminishing to south 15.

Ice Forecast*

Issued 12:00 PM EST 19 January 2021 Today Tonight and Wednesday Open water.

*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 Kenora Airport 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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 19 January 2021 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Superior

Issued 10:30 AM EST 19 January 2021

'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.

Freezing spray warning in effect

Eastern Lake Superior

Issued 10:30 AM EST 19 January 2021

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 10:30 AM EST 19 January 2021 Today Tonight and Wednesday At 10:30 a.m. EST today low 1013 mb located over Lake Nipissing.
By 10:30 a.m. EST Wednesday departing low 1007 mb located over
southern Nova Scotia.

At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EST Wednesday ridge located on a line
northeast-southwest over southwestern Ontario.

By 10:30 a.m. EST Wednesday approaching low 984 mb located near
the Ontario - Manitoba border.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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