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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 04 December 2021

Tonight and Sunday.

Wind west 30 knots diminishing to northwest 20 late overnight and to northwest 15 early Sunday morning. Wind diminishing to light late Sunday morning then increasing to southeast 15 near noon Sunday. Wind increasing to southeast 20 Sunday afternoon and to southeast 30 Sunday evening.

Showers or flurries this evening. Rain Sunday evening.

Waves

Issued 06:30 PM EST 04 December 2021
Tonight and Sunday. Waves 2 to 3 metres subsiding to 1 to 1.5 near midnight and to 0.5 to 1 early Sunday morning. Waves subsiding to 0.5 or less late Sunday morning then building to 1 to 1.5 Sunday evening.

Extended Forecast

Issued 06:30 PM EST 04 December 2021
Monday Wind south 30 knots increasing to west 40 in the afternoon.
Tuesday Wind west 30 knots diminishing to west 15.
Wednesday Wind light.

Ice Forecast*

Issued 12:00 PM EST 4 December 2021 Today Tonight and Sunday Ice free except 1 tenth new lake ice in the Bay Of Quinte.

*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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 December 2021 Today Tonight and Sunday

Ice Coverage

Ice free except 1 tenth new lake ice in the Bay Of Quinte.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 4 December 2021 Tonight and Sunday At 6:30 p.m. EST tonight departing low 1012 mb located over
northern Vermont.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over northern Illinois.
By 6:30 p.m. EST Sunday ridge located on a line north-south over
New Hampshire.

By 6:30 p.m. EST Sunday approaching low 997 mb located over
eastern Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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