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Western Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 19 January 2022

Today Tonight and Thursday.

Wind north 30 knots diminishing to north 20 this evening then backing to northwest 15 overnight. Wind diminishing to northwest 10 Thursday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending near midnight.

Waves

Issued 03:00 AM EST 19 January 2022
Today Tonight and Thursday. Waves 3 to 4 metres subsiding to 2 this morning and to 1 near midnight. Waves subsiding to 0.5 Thursday morning.

Extended Forecast

Issued 03:00 AM EST 19 January 2022
Friday Wind light increasing to west 15 knots in the morning and to southwest 35 late in the day.
Saturday Wind southwest 35 knots diminishing to northwest 20.
Sunday Wind north 15 knots.

Ice Forecast*

Issued 12:00 PM EST 18 January 2022 Today Tonight and Wednesday Open water except 7 tenths new lake ice including 2 tenths thin lake ice near parts of the shore. 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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Weather Conditions

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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 18 January 2022 Today Tonight and Wednesday

Ice Coverage

Open water except 7 tenths new lake ice including 2 tenths thin lake
ice near parts of the shore. Consolidated thick lake ice in Black
Bay, Nipigon Bay and Chequamegon Bay.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Western Lake Superior

Issued 03:00 AM EST 19 January 2022

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 19 January 2022 Today Tonight and Thursday At 3:00 a.m. EST today low 993 mb located over eastern Lake
Superior.
By 3:00 a.m. EST Thursday low 1008 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. EST today cold front from low located on a line
north-south over Michigan.
By 3:00 a.m. EST Thursday cold front from low located on a line
northeast-southwest over New Brunswick.

By 3:00 a.m. EST Thursday building ridge located on a line east-west
over northern Ontario.

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