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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 April 2026

Today Tonight and Sunday.

Wind south 30 knots becoming northwest 30 near noon then diminishing to northwest 20 early this evening. Wind backing to west 15 near midnight then veering to northwest 20 near noon Sunday. Wind increasing to northwest 25 Sunday evening.

Showers beginning early this morning with a risk of thunderstorms becoming scattered flurries or scattered showers this evening and ending Sunday afternoon. Fog patches dissipating near noon.

Waves

Issued 03:00 AM EDT 18 April 2026
Today Tonight and Sunday. Waves 2 to 3 metres subsiding to 1.5 this evening and to 0.5 to 1 overnight. Waves building to 1.5 Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 18 April 2026
Monday Wind northwest 20 knots diminishing to light in the afternoon then becoming south 15 late in the day.
Tuesday Wind south 25 knots.
Wednesday Wind northwest 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 17 April 2026 Today Tonight and Saturday Open water except 2 tenths thick lake ice near the Straits of Mackinac and near North Channel. Consolidated rotten thick lake ice along parts of the northwestern 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

Northern Lake Huron

Issued 12:00 PM EDT 17 April 2026 Today Tonight and Saturday

Ice Coverage

Open water except 2 tenths thick lake ice near the Straits of
Mackinac and near North Channel. Consolidated rotten thick lake ice
along parts of the northwestern shore.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 17 April 2026 Today Tonight and Saturday

Ice Coverage

Open water except 3 tenths thick lake ice in and near the Straits of
Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 17 April 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 17 April 2026 Today Tonight and Saturday

Ice Coverage

Open water. Consolidated rotten thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 18 April 2026 Today Tonight and Sunday At 3:00 a.m. EDT today low 994 mb located over northeastern Ontario.
By 3:00 a.m. EDT Sunday low 981 mb located over eastern Hudson Bay.

At 3:00 a.m. EDT today cold front located on a line north-south
over eastern Lake Superior.
By 3:00 a.m. EDT Sunday cold front from low located on a line
northeast-southwest over the St. Lawrence River.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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