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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 22 April 2025

Tonight and Wednesday.

Wind west 15 knots diminishing to northwest 10 this evening then becoming light near midnight. Wind becoming east 10 Wednesday evening.

Waves

Issued 06:30 PM EDT 22 April 2025
Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to less than 0.5 near midnight.

Extended Forecast

Issued 06:30 PM EDT 22 April 2025
Thursday Wind light.
Friday Wind east 15 knots diminishing to light late in the day.
Saturday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 22 April 2025 Today Tonight and Wednesday Open water.

*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

Issued 12:00 PM EDT 22 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 22 April 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight low 1006 mb located southeast of James Bay.
By 6:30 p.m. EDT Wednesday departing low 1015 mb located near the
Gulf of St. Lawrence.

At 6:30 p.m. EDT tonight ridge located on a line north-south over
Whitefish Bay.
By 6:30 p.m. EDT Wednesday ridge located from James Bay to the
St. Lawrence River.

At 6:30 p.m. EDT tonight low 1007 mb located southwest of Lake of
the Woods.
By 6:30 p.m. EDT Wednesday low 1017 mb located near Thunder Bay.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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