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Whitefish Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 06 December 2025

Tonight and Sunday.

Wind northwest 15 knots backing to west 15 near midnight then veering to north 20 early Sunday morning. Wind backing to northwest 20 Sunday evening.

Flurries. Visibility as low as 1 mile in flurries.

Waves

Issued 06:30 PM EST 06 December 2025
Tonight and Sunday. Waves 1.5 metres subsiding to 0.5 to 1 this evening.

Extended Forecast

Issued 06:30 PM EST 06 December 2025
Monday Wind northwest 20 knots backing to southwest 15 in the morning then increasing to southwest 20 late in the day.
Tuesday Wind south 25 knots diminishing to southwest 15.
Wednesday Wind light.

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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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 6 December 2025 Tonight and Sunday At 6:30 p.m. EST tonight departing cold front located on a line
north-south over Ottawa.

At 6:30 p.m. EST tonight disturbance located over Iowa.
By 6:30 p.m. EST Sunday low 1015 mb located east of Lake Ontario.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over Saskatchewan.
By 6:30 p.m. EST Sunday ridge located on a line north-south over
Lake of the Woods.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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