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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 23 November 2020

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind west 15 knots increasing to west 20 this afternoon then veering to northwest 20 this evening. Wind diminishing to north 10 late overnight then veering to east 10 near noon Tuesday. Wind increasing to east 15 Tuesday evening.

Showers this afternoon and this evening.

Waves

Issued 10:30 AM EST 23 November 2020
Today Tonight and Tuesday. Waves one half to one metre building to one and one half metres early this evening then subsiding to one half metre or less early Tuesday morning.

Extended Forecast

Issued 03:00 AM EST 23 November 2020
Wednesday Wind southeast 20 knots.
Thursday Wind southeast 15 knots diminishing to light.
Friday Wind southwest 15 knots veering to west 20.

Ice Forecast*

Issued 12:00 PM EST 23 November 2020 Today Tonight and Tuesday Ice free.

*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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 23 November 2020 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EST 23 November 2020

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 23 November 2020 Today Tonight and Tuesday At 10:30 a.m. EST today deepening low 1008 mb located over southern
Quebec.
By 10:30 a.m. EST Tuesday low 978 mb located over eastern Quebec.

At 10:30 a.m. EST today trough located on a line east-west over
North Channel.
By 10:30 a.m. EST Tuesday dissipating trough located from New
Brunswick to New Hampshire.

At 10:30 a.m. EST today ridge located west of Lake Nipigon.
By 10:30 a.m. EST Tuesday ridge located on a line north-south over
Lake Nipissing.

At 10:30 a.m. EST today trough located from Saskatchewan to
South Dakota.
By 10:30 a.m. EST Tuesday approaching trough located on a line
north-south over Lake of the Woods.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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