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Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 February 2023

Today Tonight and Monday.

Wind north 10 knots increasing to north 15 early this morning then diminishing to northwest 10 this afternoon. Wind becoming variable 10 this evening then increasing to south 15 overnight. Wind increasing to south 25 Monday morning and to south 30 Monday evening.

Scattered flurries ending near noon. Snow Monday evening. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 05 February 2023
Today Tonight and Monday. Over open water waves 0.5 to 1 metre subsiding to 0.5 near midnight then building to 1.5 Monday morning. Waves building to 2 to 3 near noon Monday and to 3 to 4 Monday evening.

Extended Forecast

Issued 03:00 AM EST 05 February 2023
Tuesday Wind south 30 knots veering to west 30 in the morning then diminishing to west 20 late in the day.
Wednesday Wind southwest 15 knots diminishing to light late in the day.
Thursday Wind light increasing to north 25 knots late in the day.

Ice Forecast*

Issued 12:00 PM EST 4 February 2023 Today Tonight and Sunday Open water except 9 tenths new lake ice including 4 tenths thin lake ice along the southern shore. Consolidated medium lake ice in Thunder Bay. Consolidated thick lake ice in Black Bay, Nipigon Bay and Chequamegon Bay.

*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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 February 2023 Today Tonight and Sunday

Ice Coverage

Open water except 9 tenths new lake ice including 4 tenths thin lake
ice along the southern shore. Consolidated medium lake ice in
Thunder Bay. Consolidated thick lake ice in Black Bay, Nipigon Bay
and Chequamegon Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 February 2023 Today Tonight and Monday At 3:00 a.m. EST today low 1008 mb located over eastern Lake
Superior.
By 3:00 a.m. EST Monday departing low 1013 mb located over
southeastern Quebec.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Manitoba.
By 3:00 a.m. EST Monday ridge located on a line northeast-southwest
over northeastern Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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