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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 March 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southeast 15 knots increasing to southeast 25 early this morning and to southeast 35 late this morning. Wind diminishing to southwest 25 this afternoon then increasing to west 40 early this evening. Wind veering to northwest 45 late this evening then diminishing to northwest 25 overnight. Wind diminishing to northwest 15 Saturday morning and to light Saturday afternoon. Wind becoming east 10 Saturday evening.

Snow beginning this morning changing to showers or flurries this afternoon then to flurries this evening and ending near noon Saturday. Visibility 1 mile or less in precipitation.

Risk of freezing spray Saturday morning.

Waves

Issued 03:00 AM EDT 13 March 2026
Today Tonight and Saturday. Over open water waves 1 to 1.5 metres building to 2 to 3 near noon and to 3 to 5 this evening. Waves subsiding to 2 Saturday morning and to 0.5 to 1 near noon Saturday and to 0.5 or less Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 13 March 2026
Sunday Wind light increasing to east 15 knots in the morning and to east 35 in the afternoon.
Monday Wind south 35 knots.
Tuesday Wind northwest 35 knots diminishing to northwest 25.

Ice Forecast*

Issued 12:00 PM EDT 12 March 2026 Today Tonight and Friday 1 tenth thick lake ice except 5 tenths thick lake ice in southern Saginaw Bay and along 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 12 March 2026 Today Tonight and Friday

Ice Coverage

1 tenth thick lake ice except 5 tenths thick lake ice in southern
Saginaw Bay and along parts of the eastern shore. Consolidated thick
lake ice along parts of the shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 12 March 2026 Today Tonight and Friday

Ice Coverage

Open water except 3 tenths medium lake ice in Grand Traverse Bay. 3
tenths thick lake ice 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 12 March 2026 Today Tonight and Friday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 12 March 2026 Today Tonight and Friday

Ice Coverage

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

Warnings

Warnings (In effect)

Gale warning in effect

Southern Lake Huron

Issued 03:00 AM EDT 13 March 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:00 AM EDT 13 March 2026 Today Tonight and Saturday At 3:00 a.m. EDT today departing ridge located from James Bay
to Pennsylvania.

At 3:00 a.m. EDT today low 987 mb located over northern Minnesota.
By 3:00 a.m. EDT Saturday low 997 mb located over eastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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