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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.

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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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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land station Land Station
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 over
Saskatchewan.
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.

Great Lakes - Lake Superior Area

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