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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 09 December 2023

Today Tonight and Sunday.

Wind south 20 knots backing to southeast 15 near noon then becoming west 15 Sunday morning. Wind increasing to west 20 Sunday evening.

Scattered showers.

Waves

Issued 10:30 AM EST 09 December 2023
Today Tonight and Sunday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 this afternoon then building to 1 to 1.5 Sunday evening.

Extended Forecast

Issued 03:00 AM EST 09 December 2023
Monday Wind northwest 20 knots backing to west 25 in the afternoon.
Tuesday Wind southwest 25 knots veering to west 30.
Wednesday Wind west 25 knots.

Ice Forecast*

Issued 12:00 PM EST 9 December 2023 Today Tonight and Sunday Open water.

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

 

[ Canadian Ice Service ]

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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 9 December 2023 Today Tonight and Sunday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 9 December 2023 Today Tonight and Sunday At 10:30 a.m. EST today low 998 mb located over northern Lake
Michigan.
By 10:30 a.m. EST Sunday low 990 mb located over northern Quebec.

At 10:30 a.m. EST today trough from 998 mb low located on a line
north-south over Illinois.
By 10:30 a.m. EST Sunday trough from 990 mb low located on a line
northeast-southwest over eastern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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