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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 09 December 2024

Today Tonight and Tuesday.

Wind northeast 25 knots diminishing to southeast 15 this afternoon then veering to south 15 near midnight. Wind diminishing to southwest 10 late overnight then becoming variable 10 near noon Tuesday. Wind increasing to southeast 20 Tuesday evening.

Periods of rain with a risk of freezing rain changing to scattered showers this evening and ending overnight. Scattered showers Tuesday late in the day.

Waves

Issued 10:30 AM EST 09 December 2024
Today Tonight and Tuesday. Waves 1 metre building to 1.5 near noon then subsiding to 0.5 to 1 early this evening. Waves subsiding to 0.5 or less Tuesday morning then building to 1 Tuesday evening.

Extended Forecast

Issued 03:00 AM EST 09 December 2024
Wednesday Wind northeast 15 knots backing to northwest 15 in the morning then increasing to west 25 late in the day.
Thursday Wind southwest 30 knots.
Friday Wind southwest 30 knots diminishing to southwest 15.

Ice Forecast*

Issued 12:00 PM EST 9 December 2024 Today Tonight and Tuesday 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 9 December 2024 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 9 December 2024 Today Tonight and Tuesday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over northeastern Quebec.
By 10:30 a.m. EST Tuesday ridge located on a line
northwest-southeast over Labrador.

At 10:30 a.m. EST today low 1000 mb located over Upper Michigan.
By 10:30 a.m. EST Tuesday low 1008 mb located over James Bay.

By 10:30 a.m. EST Tuesday approaching low 1009 mb located over
Kentucky.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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