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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 07:13 AM EDT 08 May 2026

Today Tonight and Saturday.

Wind light becoming south 10 knots this morning then increasing to southwest 15 this afternoon. Wind diminishing to south 10 near midnight then backing to southeast 10 Saturday morning. Wind increasing to southwest 15 Saturday evening.

Scattered showers this morning with a risk of thunderstorms. Scattered showers Saturday evening.

Waves

Issued 03:00 AM EDT 08 May 2026
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 early this evening then subsiding to 0.5 or less overnight. Waves building to 0.5 to 1 Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 08 May 2026
Sunday Wind west 15 knots diminishing to light late in the day.
Monday Wind light.
Tuesday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 7 May 2026 Today Tonight and Friday Ice free.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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

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

Ice Forecasts

Issued 12:00 PM EDT 7 May 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 8 May 2026 Today Tonight and Saturday At 10:30 a.m. EDT today quasi-stationary low 998 mb located over
Hudson Bay.

At 10:30 a.m. EDT today departing ridge located on a line
northeast-southwest over eastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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