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Whitefish Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 April 2026

Tonight and Sunday.

Wind light becoming southeast 10 knots this evening then increasing to southeast 15 near midnight. Wind increasing to southeast 20 early Sunday morning and to southeast 25 near noon Sunday. Wind veering to south 20 Sunday evening.

Periods of rain overnight and Sunday. Risk of thunderstorms Sunday late in the day. Fog patches forming Sunday evening.

Waves

Issued 06:30 PM EDT 11 April 2026
Tonight and Sunday. Over open water waves 0.5 metres or less building to 0.5 to 1 Sunday morning.

Extended Forecast

Issued 06:30 PM EDT 11 April 2026
Monday Wind southwest 15 knots veering to northwest 15 in the morning then diminishing to light late in the day.
Tuesday Wind northeast 15 knots diminishing to light late in the day.
Wednesday Wind southeast 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday 3 tenths thick lake ice. Consolidated thick lake ice in the extreme eastern and southern sections.

*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 Kenora Airport Pukaskwa National Park Royal Island Armstrong Airport Caribou Island Marathon Airport Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136 Lake Of the Woods - 45148
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

3 tenths thick lake ice. Consolidated thick lake ice in the extreme
eastern and southern sections.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 11 April 2026 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over New England.

At 6:30 p.m. EDT tonight low located over eastern Montana.
By 6:30 p.m. EDT Sunday low located over southeastern Manitoba.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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