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Eastern Lake Superior

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 03 April 2025

Today Tonight and Friday.

Wind west 25 knots diminishing to northwest 15 early this evening and to light near midnight. Wind becoming southeast 10 Friday evening.

Flurries ending this afternoon.

Waves

Issued 10:30 AM EDT 03 April 2025
Today Tonight and Friday. Waves 2 metres subsiding to 1 to 1.5 this evening and to 0.5 or less late overnight.

Extended Forecast

Issued 03:00 AM EDT 03 April 2025
Saturday Wind light increasing to northwest 20 knots in the afternoon.
Sunday Wind north 15 knots increasing to north 20 late in the day.
Monday Wind north 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday Open water except 1 tenth thick lake ice near parts of the southern and eastern shores. Consolidated medium lake ice along parts of the shores.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Superior marine weather areas Slate Island - 45136 Lake Of the Woods - 45148 Kenora Airport Royal Island Armstrong Airport Caribou Island Marathon Airport Pukaskwa National Park Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth thick lake ice near parts of the southern
and eastern shores. Consolidated medium lake ice along parts of the
shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 3 April 2025 Today Tonight and Friday At 10:30 a.m. EDT today low 993 mb located over northeastern
Ontario.
By 10:30 a.m. EDT Friday departing low 1005 mb located over the
Gulf of St. Lawrence.

At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over Iowa.
By 10:30 a.m. EDT Friday high 1029 mb located over Lake Huron.

Great Lakes - Lake Superior Area

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Marine Weather for Canada

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