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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 17 January 2026

Today Tonight and Sunday.

Wind northeast 20 knots backing to north 25 early this morning then diminishing to northeast 15 this evening. Wind diminishing to northeast 10 near midnight then increasing to southeast 15 near noon Sunday. Wind becoming variable 15 Sunday afternoon then increasing to north 25 Sunday evening.

Scattered flurries changing to snow Sunday afternoon. Visibility 1 mile or less in snow.

Risk of freezing spray today and early this evening. Risk of freezing spray Sunday evening.

Waves

Issued 03:00 AM EST 17 January 2026
Today Tonight and Sunday. Waves 1 to 1.5 metres.

Extended Forecast

Issued 03:00 AM EST 17 January 2026
Monday Wind north 35 knots diminishing to northwest 25 in the morning.
Tuesday Wind northwest 20 knots.
Wednesday Wind west 20 knots.

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Map of Great Lakes - Lake Superior marine weather areas Pukaskwa National Park Marathon Airport Caribou Island Armstrong Airport Royal Island Kenora Airport Thunder Bay Airport Welcome Island Lake Of the Woods - 45148 Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136
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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 17 January 2026 Today Tonight and Sunday At 3:00 a.m. EST today departing ridge located on a line
northwest-southeast over central Quebec.

At 3:00 a.m. EST today low 1000 mb located over eastern Upper
Michigan.
By 3:00 a.m. EST Sunday departing low 1007 mb located over central
Quebec.

At 3:00 a.m. EST today ridge located on a line north-south over
Saskatchewan.
By 3:00 a.m. EST Sunday ridge located on a line northeast-southwest
over northern Ontario.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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