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Whitefish Bay

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 October 2026

Today Tonight and Wednesday.

Wind east 10 knots increasing to southeast 15 near noon then veering to south 15 late overnight. Wind veering to southwest 15 Wednesday morning then diminishing to northwest 10 Wednesday afternoon.

Waves

Issued 10:30 AM EDT 20 October 2026
Today Tonight and Wednesday. Waves 0.5 metres building to 0.5 to 1 this afternoon then subsiding to 0.5 Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 20 October 2026
Thursday Wind light.
Friday Wind light becoming south 15 knots.
Saturday Wind south 20 knots.

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Map of Great Lakes - Lake Superior marine weather areas Royal Island Kenora Airport Sault Ste. Marie Airport Armstrong Airport Caribou Island Marathon Airport Pukaskwa National Park Wawa Airport Thunder Bay Airport Welcome Island Little Flatland Island 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 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 20 October 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today high 1034 mb located over northeastern
Ontario.
By 10:30 a.m. EDT Wednesday high 1030 mb located over southern
Quebec.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EDT Wednesday trough located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Superior Area

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