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Whitefish Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 August 2026

Today Tonight and Wednesday.

Wind southwest 10 knots veering to west 10 near noon then becoming light near midnight. Wind becoming northwest 15 near noon Wednesday then diminishing to light Wednesday evening.

Scattered showers this afternoon with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 18 August 2026
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 18 August 2026
Thursday Wind light.
Friday Wind light.
Saturday Wind north 15 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
Legend:
buoy Buoy
land station Land Station
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 18 August 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over southern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over Pennsylvania.

At 3:00 a.m. EDT today cold front located on a line north-south
over western Lake Superior.
By 3:00 a.m. EDT Wednesday departing trough located on a line
north-south over central Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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