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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 March 2025

Tonight and Thursday.

Wind east 15 knots diminishing to east 10 this evening then becoming light late overnight. Wind becoming southeast 10 Thursday evening.

Waves

Issued 06:30 PM EDT 12 March 2025
Tonight and Thursday. Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 06:30 PM EDT 12 March 2025
Friday Wind light increasing to southeast 20 knots late in the day.
Saturday Wind south 20 knots increasing to south 30.
Sunday Wind south 25 knots becoming northwest 25.

Ice Forecast*

Issued 12:00 PM EDT 12 March 2025 Today Tonight and Thursday Open water except 9 tenths medium lake ice including 2 tenths thick lake ice along parts of the eastern shore. 6 tenths thick lake ice in Saginaw Bay. Consolidated thick 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 Erie and Lake Ontario marine weather areas Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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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 12 March 2025 Today Tonight and Thursday

Ice Coverage

Open water except 9 tenths medium lake ice including 2 tenths thick
lake ice along parts of the eastern shore. 6 tenths thick lake ice
in Saginaw Bay. Consolidated thick lake ice along parts of the
shores.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 12 March 2025 Today Tonight and Thursday

Ice Coverage

Open water except 9 tenths medium lake ice including 4 tenths thick
lake ice east of Beaver Island. Consolidated thick lake ice along
parts of the shore and in the Straits of Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 12 March 2025 Today Tonight and Thursday

Ice Coverage

Open water except 9 tenths thin lake ice along parts of the eastern
shore.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 12 March 2025 Today Tonight and Thursday

Ice Coverage

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

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 12 March 2025 Tonight and Thursday At 6:30 p.m. EDT tonight ridge located on a line east-west over
Sault Ste. Marie.
By 6:30 p.m. EDT Thursday ridge located on a line
northeast-southwest over southern Ontario.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over the Ontario - Manitoba border.
By 6:30 p.m. EDT Thursday trough located on a line east-west over
Lake Nipigon.

By 6:30 p.m. EDT Thursday approaching low 988 mb located over
Colorado.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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