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Government of Canada / Gouvernement du Canada

Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 March 2026

Today Tonight and Friday.

Wind southwest 15 knots diminishing to west 10 early this morning then veering to northwest 10 early this evening. Wind becoming light late this evening then increasing to south 20 overnight. Wind veering to southwest 25 Friday morning then diminishing to northwest 15 near noon Friday. Wind diminishing to north 10 Friday evening.

Periods of snow early this morning changing to scattered showers or scattered flurries and ending this evening. Rain Friday morning. Scattered showers Friday afternoon. Visibility as low as 1 mile in snow.

Waves

Issued 03:00 AM EDT 19 March 2026
Today Tonight and Friday. Over open water waves 1 to 1.5 metres subsiding to 0.5 or less this morning then building to 1.5 Friday morning. Waves subsiding to 0.5 to 1 near noon Friday and to 0.5 or less Friday evening.

Extended Forecast

Issued 03:00 AM EDT 19 March 2026
Saturday Wind light becoming southeast 15 knots late in the day.
Sunday Wind northeast 15 knots increasing to northeast 20.
Monday Wind north 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday Open water except 7 tenths new lake ice including 2 tenths thick lake ice along parts of the shores. Consolidated thick lake ice along parts of the northeastern shore.

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

    

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas
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Ice Conditions

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

Ice Forecasts

Southern Lake Huron

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday

Ice Coverage

Open water except 7 tenths new lake ice including 2 tenths thick
lake ice along parts of the shores. Consolidated thick lake ice
along parts of the northeastern shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday

Ice Coverage

1 tenth new lake ice except 7 tenths new lake ice including 2 tenths
thick lake ice in the northeastern section.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday

Ice Coverage

7 tenths thick lake ice. Consolidated thick lake ice in Bays de Noc
and in southern Green Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 March 2026 Today Tonight and Friday At 3:00 a.m. EDT today low 1010 mb located over northeastern
Ontario.
By 3:00 a.m. EDT Friday departing low 1013 mb located over Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Manitoba.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
eastern Ontario.

By 3:00 a.m. EDT Friday low 1005 mb located over northwestern
Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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