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Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 02 June 2026

Today Tonight and Wednesday.

Wind light becoming southeast 10 knots Wednesday afternoon then increasing to south 15 Wednesday evening.

Waves

Issued 10:30 AM EDT 02 June 2026
Today Tonight and Wednesday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 02 June 2026
Thursday Wind south 15 knots.
Friday Wind light.
Saturday Wind light.

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Map of Great Lakes - Lake Superior marine weather areas Kenora Airport Pukaskwa National Park Royal Island Armstrong Airport Caribou Island Marathon Airport Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136 Lake Of the Woods - 45148
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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 10:30 AM EDT 2 June 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today high 1030 mb located over northeastern
Ontario.
By 10:30 a.m. EDT Wednesday high 1029 mb located over western Ohio.

At 10:30 a.m. EDT today low 1013 mb located over southwestern
Saskatchewan.
By 10:30 a.m. EDT Wednesday low 1013 mb located over southern
Saskatchewan.

At 10:30 a.m. EDT today trough located on a line east-west over
northern Manitoba.
By 10:30 a.m. EDT Wednesday trough located on a line east-west
over northern Ontario.

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