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Whitefish Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 30 April 2025

Today Tonight and Thursday.

Wind northwest 10 knots becoming light early this morning then becoming southeast 15 this evening. Wind diminishing to southeast 10 Thursday morning then becoming light Thursday afternoon.

Scattered showers Thursday afternoon and evening.

Waves

Issued 03:00 AM EDT 30 April 2025
Today Tonight and Thursday. Waves 0.5 metres or less building to 0.5 to 1 near midnight then subsiding to 0.5 or less Thursday morning.

Extended Forecast

Issued 03:00 AM EDT 30 April 2025
Friday Wind light becoming northwest 15 knots late in the day.
Saturday Wind northwest 15 knots diminishing to light.
Sunday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 29 April 2025 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 Pukaskwa National Park Marathon Airport Caribou Island Armstrong Airport Royal Island Kenora Airport Thunder Bay Airport Welcome Island Lake Of the Woods - 45148 Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 29 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 30 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today departing trough located on a line
northeast-southwest over eastern Ontario.

At 3:00 a.m. EDT today high 1025 mb located over Lake Superior.
By 3:00 a.m. EDT Thursday high 1024 mb located over western Quebec.

By 3:00 a.m. EDT Thursday approaching low 1005 mb located over
Missouri.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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