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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 04 December 2021

Today Tonight and Sunday.

Wind southwest 25 knots veering to west 30 near noon then diminishing to northwest 20 late overnight. Wind diminishing to northwest 15 early Sunday morning and to light late Sunday morning. Wind increasing to southeast 15 near noon Sunday and to southeast 20 Sunday afternoon. Wind increasing to southeast 30 Sunday evening.

Showers or flurries ending this evening. Showers Sunday evening.

Waves

Issued 10:30 AM EST 04 December 2021
Today Tonight and Sunday. Waves 1.5 metres building to 2 to 3 this afternoon then subsiding to 1 to 1.5 near midnight. Waves subsiding to 0.5 to 1 early Sunday morning and to 0.5 or less near noon Sunday then building to 0.5 to 1 Sunday afternoon. Waves building to 1 to 1.5 Sunday evening.

Extended Forecast

Issued 03:00 AM 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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Weather Conditions

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Map of Great Lakes - Lake Huron 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 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 10:30 AM EST 4 December 2021 Today Tonight and Sunday At 10:30 a.m. EST today departing low 1012 mb located northeast
of Lake Nipissing.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over eastern South Dakota.
By 10:30 a.m. EST Sunday ridge located on a line north-south over
Lake Ontario.

By 10:30 a.m. EST Sunday approaching low 996 mb located over
eastern North Dakota.

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