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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 April 2026

Tonight and Sunday.

Wind south 10 knots backing to southeast 10 near midnight then increasing to southeast 15 early Sunday morning. Wind veering to south 20 Sunday afternoon then to southwest 25 Sunday evening.

Periods of rain overnight and Sunday. Risk of thunderstorms Sunday afternoon and evening. Fog patches forming Sunday afternoon.

Waves

Issued 06:30 PM EDT 11 April 2026
Tonight and Sunday. Waves 0.5 metres or less building to 0.5 to 1 this evening and to 1 to 1.5 Sunday morning.

Extended Forecast

Issued 06:30 PM EDT 11 April 2026
Monday Wind southwest 25 knots diminishing to northwest 15 in the afternoon.
Tuesday Wind east 15 knots becoming variable 15.
Wednesday Wind east 15 knots increasing to southwest 20 late in the day.

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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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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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 6:30 PM EDT 11 April 2026 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over New England.

At 6:30 p.m. EDT tonight low located over eastern Montana.
By 6:30 p.m. EDT Sunday low located over southeastern Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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