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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 May 2026

Tonight and Tuesday.

Wind west 15 knots diminishing to northwest 10 this evening then veering to north 10 late overnight. Wind becoming light Tuesday morning then becoming east 10 Tuesday evening.

Waves

Issued 06:30 PM EDT 11 May 2026
Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 06:30 PM EDT 11 May 2026
Wednesday Wind east 20 knots diminishing to southwest 15 in the afternoon.
Thursday Wind light.
Friday Wind light becoming west 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 11 May 2026 Today Tonight and Tuesday 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 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 11 May 2026 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 11 May 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line north-south over
eastern Lake Superior.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south
over Quebec.

At 6:30 p.m. EDT tonight low 1002 mb located over southeastern
Saskatchewan.
By 6:30 p.m. EDT Tuesday low 1003 mb located over eastern Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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