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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:41 AM EDT 02 May 2025

Today Tonight and Saturday.

Wind southwest 15 knots diminishing to southwest 10 this afternoon then veering to northwest 10 near midnight. Wind becoming light early Saturday morning.

Fog patches dissipating near midnight.

Waves

Issued 10:39 AM EDT 02 May 2025
Today Tonight and Saturday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this evening.

Extended Forecast

Issued 03:00 AM EDT 02 May 2025
Sunday Wind light.
Monday Wind northeast 20 knots veering to southeast 15 late in the day.
Tuesday Wind southeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 2 May 2025 Today Tonight and Saturday 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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buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 2 May 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 2 May 2025 Today Tonight and Saturday At 10:30 a.m. EDT today low 1000 mb located over western Quebec.
By 10:30 a.m. EDT Saturday departing low 1003 mb located over
Labrador.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over southern Manitoba.
By 10:30 a.m. EDT Saturday ridge located on a line east-west over
Lake Superior.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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