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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 May 2025

Today Tonight and Tuesday.

Wind variable 10 knots becoming east 10 early this evening then veering to southeast 10 near midnight. Wind increasing to southeast 15 Tuesday evening.

Scattered showers Tuesday.

Waves

Issued 03:00 AM EDT 12 May 2025
Today Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this morning.

Extended Forecast

Issued 03:00 AM EDT 12 May 2025
Wednesday Wind southeast 15 knots diminishing to light late in the day.
Thursday Wind light becoming southeast 15 knots late in the day.
Friday Wind southeast 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 11 May 2025 Today Tonight and Monday Ice free.

*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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land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 11 May 2025 Today Tonight and Monday

Ice Coverage

Ice free.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 11 May 2025 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 12 May 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today high 1029 mb located over eastern Ontario.
By 3:00 a.m. EDT Tuesday ridge located on a line north-south over
central Quebec.

At 3:00 a.m. EDT today trough located on a line east-west over
northwestern Ontario.
By 3:00 a.m. EDT Tuesday trough located on a line east-west over
northern Ontario.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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