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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 27 November 2020

Today Tonight and Saturday.

Strong wind warning in effect.

Wind west 15 knots increasing to west 20 late overnight. Wind west 20 Saturday.

Waves

Issued 10:30 AM EST 27 November 2020
Today Tonight and Saturday. Waves one half to one metre building to one and one half metres early Saturday morning.

Extended Forecast

Issued 03:00 AM EST 27 November 2020
Sunday Wind west 20 knots backing to south 15 in the afternoon then diminishing to light late in the day.
Monday Wind light increasing to east 25 knots.
Tuesday Wind east 25 knots increasing to west 30.

Ice Forecast*

Issued 12:00 PM EST 27 November 2020 Today Tonight and Saturday 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 27 November 2020 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EST 27 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 27 November 2020 Today Tonight and Saturday At 10:30 a.m. EST today trough located on a line north-south over
Lake Nipigon.
By 10:30 a.m. EST Saturday weakening trough located on a line
northwest-southeast over southwestern Quebec.

At 10:30 a.m. EST today ridge located from Wyoming to Virginia.
By 10:30 a.m. EST Saturday ridge located from Colorado to
Pennsylvania then to Maine.

By 10:30 a.m. EST Saturday low 1003 mb located over southwestern
Saskatchewan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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