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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 March 2026

Tonight and Thursday.

Wind northwest 25 knots increasing to northwest 30 near midnight then diminishing to northwest 20 Thursday afternoon. Wind diminishing to northwest 15 Thursday evening.

Showers changing to scattered flurries this evening.

Waves

Issued 06:30 PM EDT 11 March 2026
Tonight and Thursday. Over open water waves 1 to 1.5 metres building to 2 near midnight then subsiding to 1.5 Thursday afternoon. Waves subsiding to 0.5 to 1 Thursday evening.

Extended Forecast

Issued 06:30 PM EDT 11 March 2026
Friday Wind southeast 35 knots diminishing to east 30 in the afternoon then increasing to northwest 35 late in the day.
Saturday Wind northwest 35 knots diminishing to light.
Sunday Wind east 20 knots increasing to northeast 35 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 11 March 2026 Today Tonight and Thursday 2 tenths thick lake ice except 8 tenths thick lake ice in southern Saginaw Bay and near parts of the eastern shore. Consolidated 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 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

Southern Lake Huron

Issued 12:00 PM EDT 11 March 2026 Today Tonight and Thursday

Ice Coverage

2 tenths thick lake ice except 8 tenths thick lake ice in southern
Saginaw Bay and near parts of the eastern shore. Consolidated thick
lake ice along parts of the shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 11 March 2026 Today Tonight and Thursday

Ice Coverage

Open water except 3 tenths medium lake ice in Grand Traverse Bay. 3
tenths thick lake ice in north of and east of Fox Islands.
Consolidated thick lake ice in the Straits of Mackinac and in Little
Traverse Bay.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 11 March 2026 Today Tonight and Thursday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 11 March 2026 Today Tonight and Thursday

Ice Coverage

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

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 11 March 2026 Tonight and Thursday At 6:30 p.m. EDT tonight low 995 mb located over eastern Ontario.
By 6:30 p.m. EDT Thursday departing low 991 mb located over the
Gulf of St. Lawrence.

By 6:30 p.m. EDT Thursday ridge located on a line north-south over
northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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