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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 May 2026

Today Tonight and Saturday.

Wind light becoming southwest 10 knots near noon then increasing to southwest 15 early this evening. Wind diminishing to southwest 10 near midnight then increasing to southwest 15 Saturday morning.

Scattered showers and fog patches Saturday evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 15 May 2026
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 this evening then subsiding to 0.5 or less late overnight. Waves building to 0.5 to 1 near noon Saturday.

Extended Forecast

Issued 03:00 AM EDT 15 May 2026
Sunday Wind light.
Monday Wind light becoming southwest 15 knots late in the day.
Tuesday Wind southwest 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 15 May 2026 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 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 15 May 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 15 May 2026 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Lake Erie.
By 10:30 a.m. EDT Saturday departing ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today low 982 mb located over central Manitoba.
By 10:30 a.m. EDT Saturday departing low 986 mb located over
northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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