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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 09 February 2026

Tonight and Tuesday.

Wind south 20 knots diminishing to south 15 near midnight then increasing to northwest 20 Tuesday morning. Wind increasing to northwest 25 Tuesday afternoon.

Scattered flurries changing to snow overnight then to scattered flurries Tuesday evening.

Waves

Issued 06:30 PM EST 09 February 2026
Tonight and Tuesday. Over open water waves 1.5 metres subsiding to 0.5 to 1 late overnight then building to 1.5 near noon Tuesday. Waves building to 2 Tuesday evening.

Extended Forecast

Issued 06:30 PM EST 09 February 2026
Wednesday Wind northwest 25 knots diminishing to north 15 late in the day.
Thursday Wind light.
Friday Wind light becoming west 15 knots.

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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 6:30 PM EST 9 February 2026 Tonight and Tuesday At 6:30 p.m. EST tonight ridge located on a line north-south over
eastern Ontario.
By 6:30 p.m. EST Tuesday ridge located on a line north-south over
eastern Quebec.

At 6:30 p.m. EST tonight low 1005 mb located over northwestern
Ontario.
By 6:30 p.m. EST Tuesday low 1003 mb located over northeastern
Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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