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Whitefish Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 October 2026

Today Tonight and Thursday.

Wind south 15 knots veering to southwest 15 this morning then diminishing to northwest 10 this afternoon. Wind becoming light overnight then becoming northwest 10 Thursday afternoon. Wind becoming light Thursday evening.

Fog patches forming overnight and dissipating Thursday morning.

Waves

Issued 03:00 AM EDT 21 October 2026
Today Tonight and Thursday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this evening.

Extended Forecast

Issued 03:00 AM EDT 21 October 2026
Friday Wind light becoming southeast 15 knots in the morning.
Saturday Wind southeast 20 knots.
Sunday Wind south 20 knots diminishing to northwest 15 late in the day.

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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 3:00 AM EDT 21 October 2026 Today Tonight and Thursday At 3:00 a.m. EDT today departing high 1032 mb located over the
St. Lawrence River.

At 3:00 a.m. EDT today trough located over Lake Nipigon.
By 3:00 a.m. EDT Thursday trough located on a line
northeast-southwest over the St. Lawrence River.

At 3:00 a.m. EDT today high 1023 mb located over southern
Saskatchewan.
By 3:00 a.m. EDT Thursday high 1026 mb located over Thunder Bay.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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