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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 December 2020

Today Tonight and Sunday.

Wind northwest 10 knots increasing to north 15 this morning then diminishing to northwest 10 Sunday morning.

Waves

Issued 03:00 AM EST 05 December 2020
Today Tonight and Sunday. Waves one half to one metre subsiding to one half metre or less Sunday morning.

Extended Forecast

Issued 03:00 AM EST 05 December 2020
Monday Wind northwest 15 knots.
Tuesday Wind northwest 15 knots.
Wednesday Wind west 15 knots increasing to west 20.

Ice Forecast*

Issued 12:00 PM EST 4 December 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 4 December 2020 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 December 2020 Today Tonight and Sunday At 3:00 a.m. EST today departing cold front located from Maine
to Pennsylvania.

At 3:00 a.m. EST today high 1025 mb located north of Lake Superior.
By 3:00 a.m. EST Sunday high 1022 mb located over northeastern
Ontario.

At 3:00 a.m. EST today ridge from high located from Lake Superior
to Missouri.
By 3:00 a.m. EST Sunday ridge from high located from Sault
Ste. Marie to Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)

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