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Northern Lake Huron

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 April 2025

Today Tonight and Saturday.

Wind south 25 knots diminishing to southwest 15 early this evening then veering to northwest 20 late overnight. Wind increasing to northwest 25 Saturday morning.

Showers ending near noon Saturday with a risk of thunderstorms. Fog patches forming early this evening and dissipating Saturday morning.

Waves

Issued 10:30 AM EDT 18 April 2025
Today Tonight and Saturday. Waves 2 metres subsiding to 1 to 1.5 this afternoon then building to 2 early Saturday morning. Waves building to 2 to 3 near noon Saturday.

Extended Forecast

Issued 03:00 AM EDT 18 April 2025
Sunday Wind northwest 20 knots diminishing to light in the afternoon then becoming northeast 15 late in the day.
Monday Wind southeast 25 knots veering to southwest 25 late in the day.
Tuesday Wind southwest 25 knots veering to northwest 20.

Ice Forecast*

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday Open water except 1 tenth thick lake ice near North Channel.

*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 Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 18 April 2025 Today Tonight and Saturday

Ice Coverage

Open water except 1 tenth thick lake ice near North Channel.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Open water.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Open water except 1 tenth thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 April 2025 Today Tonight and Saturday At 10:30 a.m. EDT today departing ridge located on a line
north-south over southern Quebec.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over southern Ontario.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over northern Manitoba.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Huron Area

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