Western Lake Superior
Forecast
Marine Forecast
Issued 03:00 AM EST 12 February 2026
Today Tonight and Friday.
Wind light becoming south 10 knots early this evening then increasing to southwest 15 near midnight. Wind veering to northwest 15 near noon Friday then diminishing to light Friday evening.
Scattered flurries Friday.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 12 February 2026
Today Tonight and Friday.
Over open water waves 0.5 metres or less subsiding to less than
0.5 Friday evening.
Extended Forecast
Issued 03:00 AM EST 12 February 2026
Saturday
Wind light becoming south 15 knots in the
morning.
Sunday
Wind southeast 15 knots diminishing to
light.
Monday
Wind light.
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Weather Conditions
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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 3:00 AM EST 12 February 2026 Today Tonight and Friday At 3:00 a.m. EST today trough located on a line east-west overSaskatchewan.
By 3:00 a.m. EST Friday low 1010 mb located south of Hudson Bay.
At 3:00 a.m. EST today high 1027 mb located on a line north-south
over Thunder Bay.
By 3:00 a.m. EST Friday high 1029 mb located on a line
northeast-southwest over Toronto.
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