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Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 08 December 2024

Today Tonight and Monday.

Wind west 20 knots veering to northwest 15 early this evening then to northeast 15 near midnight. Wind veering to east 20 early Monday morning then backing to northeast 20 near noon Monday. Wind diminishing to northeast 15 Monday evening.

Scattered showers ending near midnight. Scattered showers Monday.

Waves

Issued 10:30 AM EST 08 December 2024
Today Tonight and Monday. Waves 2 to 3 metres subsiding to 1.5 near noon and to 0.5 to 1 this evening. Waves building to 2 Monday morning.

Extended Forecast

Issued 03:00 AM EST 08 December 2024
Tuesday Wind northeast 15 knots veering to southeast 20 in the morning.
Wednesday Wind west 20 knots.
Thursday Wind southwest 30 knots.

Ice Forecast*

Issued 12:00 PM EST 8 December 2024 Today Tonight and Monday Open water except 1 tenth new lake ice along parts of the shore.

*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 Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 8 December 2024 Today Tonight and Monday

Ice Coverage

Open water except 1 tenth new lake ice along parts of the shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 8 December 2024 Today Tonight and Monday At 10:30 a.m. EST today low 997 mb located over southern Quebec.
By 10:30 a.m. EST Monday departing low 996 mb located over the
Maritimes.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over northwestern Ontario.
By 10:30 a.m. EST Monday ridge located on a line northwest-southeast
over Quebec.

At 10:30 a.m. EST today low 993 mb located over southern
Saskatchewan.
By 10:30 a.m. EST Monday low 1000 mb located over western Lake
Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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