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Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 26 January 2023

Tonight and Friday.

Wind light becoming southwest 10 knots this evening then increasing to south 20 late overnight. Wind increasing to southwest 30 Friday morning then veering to northwest 25 Friday afternoon.

Scattered flurries beginning near midnight changing to snow Friday morning then to scattered flurries Friday evening.

Freezing spray warning in effect.

Freezing spray beginning near noon Friday.

Waves

Issued 06:30 PM EST 26 January 2023
Tonight and Friday. Over open water waves 0.5 metres or less building to 1 to 1.5 early Friday morning and to 2 to 3 near noon Friday.

Extended Forecast

Issued 06:30 PM EST 26 January 2023
Saturday Wind northwest 20 knots diminishing to light in the afternoon.
Sunday Wind north 15 knots.
Monday Wind north 15 knots backing to northwest 20.

Ice Forecast*

Issued 12:00 PM EST 26 January 2023 Today Tonight and Friday Open water except 8 tenths new lake ice including 2 tenths thin lake ice along parts of the southern shore. 7 tenths thin lake ice in Thunder Bay. Consolidated thick lake ice in Black Bay, Nipigon Bay. Consolidated medium lake ice in 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 26 January 2023 Today Tonight and Friday

Ice Coverage

Open water except 8 tenths new lake ice including 2 tenths thin lake
ice along parts of the southern shore. 7 tenths thin lake ice in
Thunder Bay. Consolidated thick lake ice in Black Bay, Nipigon Bay.
Consolidated medium lake ice in Chequamegon Bay.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Western Lake Superior

Issued 6:30 PM EST 26 January 2023

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 6:30 PM EST 26 January 2023 Tonight and Friday At 6:30 p.m. EST tonight departing low 983 mb located over eastern
Quebec.

At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over Lake Nipigon.
By 6:30 p.m. EST Friday building ridge located on a line north-south
over eastern Quebec.

At 6:30 p.m. EST tonight low 996 mb located over southeastern
Saskatchewan.
By 6:30 p.m. EST Friday low 995 mb located southwest of James Bay.

Great Lakes - Lake Superior Area

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