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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 April 2025

Today Tonight and Thursday.

Wind variable 10 knots increasing to east 15 near midnight then diminishing to variable 10 Thursday morning.

Scattered showers overnight and Thursday morning.

Waves

Issued 10:30 AM EDT 23 April 2025
Today Tonight and Thursday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 23 April 2025
Friday Wind light becoming east 15 knots in the morning then diminishing to light late in the day.
Saturday Wind northwest 20 knots.
Sunday Wind northwest 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 23 April 2025 Today Tonight and Thursday At 10:30 a.m. EDT today departing low 1016 mb located over
northeastern Quebec.

At 10:30 a.m. EDT today ridge located from Lake Ontario to
Hudson Bay.
By 10:30 a.m. EDT Thursday ridge located from the East Coast of
the U.S. to Hudson Bay.

At 10:30 a.m. EDT today weakening low 1012 mb located near Lake
of the Woods.
By 10:30 a.m. EDT Thursday weakening low 1022 mb located over
northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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