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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 March 2026

Tonight and Friday.

Gale warning in effect.

Wind northwest 15 knots diminishing to light this evening then increasing to southeast 15 late overnight. Wind increasing to southeast 25 early Friday morning and to southeast 35 late Friday morning. Wind backing to east 35 near noon Friday except southwest 20 over southern sections. Wind becoming north 35 Friday evening.

Snow Friday. Visibility 1 mile or less in snow.

Waves

Issued 06:30 PM EDT 12 March 2026
Tonight and Friday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less near midnight then building to 1 to 1.5 early Friday morning. Waves building to 2 to 3 near noon Friday.

Extended Forecast

Issued 06:30 PM EDT 12 March 2026
Saturday Wind northwest 35 knots diminishing to northwest 25 in the morning and to light in the afternoon.
Sunday Wind east 15 knots increasing to east 35.
Monday Wind south 35 knots.

Ice Forecast*

Issued 12:00 PM EDT 12 March 2026 Today Tonight and Friday 1 tenth thick lake ice except 5 tenths medium lake ice including 2 tenths thick lake ice near the Straits of Mackinac. Consolidated thick lake ice along parts of the shore and in the Straits of Mackinac.

*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

Northern Lake Huron

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

Ice Coverage

1 tenth thick lake ice except 5 tenths medium lake ice including 2
tenths thick lake ice near the Straits of Mackinac. Consolidated
thick lake ice along parts of the shore and in the Straits of
Mackinac.

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

Northern Lake Huron

Issued 6:30 PM EDT 12 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 6:30 PM EDT 12 March 2026 Tonight and Friday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Whitefish Bay.
By 6:30 p.m. EDT Friday departing ridge located on a line
north-south over Maine.

At 6:30 p.m. EDT tonight low 990 mb located over North Dakota.
By 6:30 p.m. EDT Friday low 993 mb located over Lake Huron.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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