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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 April 2026

Today Tonight and Monday.

Wind southeast 15 knots increasing to southeast 20 this morning then veering to south 25 this afternoon. Wind veering to southwest 25 this evening then to west 20 near noon Monday. Wind veering to northwest 15 Monday afternoon then diminishing to variable 10 Monday evening.

Showers ending Monday afternoon. Risk of thunderstorms today and tonight. Fog patches forming this afternoon.

Waves

Issued 03:00 AM EDT 12 April 2026
Today Tonight and Monday. Waves 0.5 to 1 metre building to 1 to 1.5 this morning and to 2 this evening. Waves subsiding to 1 to 1.5 near noon Monday and to 0.5 or less Monday evening.

Extended Forecast

Issued 03:00 AM EDT 12 April 2026
Tuesday Wind east 15 knots increasing to southwest 20 in the morning then diminishing to north 15 late in the day.
Wednesday Wind east 15 knots becoming southwest 15.
Thursday Wind southeast 15 knots veering to southwest 20.

Ice Forecast*

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday Open water except 3 tenths thick lake ice in the western section. Consolidated rotten thick lake ice along parts of the shore.

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

    

[ Canadian Ice Service ]

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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land station Land Station
Ice Conditions

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

Ice Forecasts

Northern Lake Huron

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

Open water except 3 tenths thick lake ice in the western section.
Consolidated rotten thick lake ice along parts of the shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

Open water except 1 tenth thick lake ice north of and south of Fox
Islands. Consolidated thick lake ice in and near the Straits of
Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

1 tenth thick lake ice. Consolidated thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 12 April 2026 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Ontario.
By 3:00 a.m. EDT Monday ridge located on a line north-south over
eastern Quebec.

At 3:00 a.m. EDT today low 997 mb located over western North Dakota.
By 3:00 a.m. EDT Monday low 995 mb located over northeastern
Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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