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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 March 2026

Today Tonight and Wednesday.

Wind northwest 20 knots backing to west 20 near noon then diminishing to west 15 early this evening. Wind backing to southwest 15 late overnight then to south 20 Wednesday morning. Wind increasing to south 25 Wednesday afternoon.

Scattered flurries ending overnight. Periods of snow Wednesday afternoon and evening. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray ending near noon. Risk of freezing spray this afternoon and early this evening. Risk of freezing spray Wednesday afternoon.

Waves

Issued 10:30 AM EDT 17 March 2026
Today Tonight and Wednesday. Over open water waves 2 to 3 metres subsiding to 1.5 near noon and to 1 this evening. Waves building to 1.5 near noon Wednesday.

Extended Forecast

Issued 03:00 AM EDT 17 March 2026
Thursday Wind southwest 20 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind light increasing to south 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday Open water except 5 tenths thick lake ice along parts of the southern Saginaw Bay shore and along parts of the eastern shore. 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 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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Ice Conditions

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

Ice Forecasts

Southern Lake Huron

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday

Ice Coverage

Open water except 5 tenths thick lake ice along parts of the
southern Saginaw Bay shore and along parts of the eastern shore.
Consolidated thick lake ice along parts of the northeastern shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday

Ice Coverage

Open water except 5 tenths medium lake ice in Grand Traverse Bay. 7
tenths thick lake ice north of and east of Fox Islands. Consolidated
thick lake ice near the Straits of Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 16 March 2026 Today Tonight and Tuesday

Ice Coverage

5 tenths thick lake ice. Consolidated thick lake ice in Bays de Noc
and along parts of the Green Bay shores.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 17 March 2026

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 17 March 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today departing low 959 mb located over northern
Quebec.

At 10:30 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EDT Wednesday ridge located on a line north-south
over eastern Ontario.

By 10:30 a.m. EDT Wednesday approaching low 1003 mb located over
southern Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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